Area code 240
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General Info
Area code 240 is in Maryland (MD). Popular cities using area code 240 are Columbia, Germantown, Silver Spring, see full list here
The timezone within area code 240 is (America/New_York). The current time is 14:49:40
Popular zip codes include 20906(Silver Spring), 20878(Gaithersburg), 21740(Hagerstown), see full list here
Area code 240 Map
Here is the full area code map for state Maryland
240
Popular Cities
| City Name | State | Population | Percent of area code in city | Percent of city in area code |
|---|---|---|---|---|
| Columbia | Maryland | 99615 | 0 | 7 |
| Germantown | Maryland | 86395 | 0 | 100 |
| Silver Spring | Maryland | 71452 | 0 | 100 |
| Waldorf | Maryland | 67752 | 1 | 100 |
| Frederick | Maryland | 65239 | 0 | 100 |
| Columbia | Maryland | 99615 | 0 | 7 |
| Germantown | Maryland | 86395 | 0 | 100 |
| Silver Spring | Maryland | 71452 | 0 | 100 |
| Waldorf | Maryland | 67752 | 1 | 100 |
| Frederick | Maryland | 65239 | 0 | 100 |
| Rockville | Maryland | 61209 | 0 | 100 |
| Bethesda | Maryland | 60858 | 0 | 100 |
| Gaithersburg | Maryland | 59933 | 0 | 100 |
| Bowie | Maryland | 54727 | 0 | 100 |
| Aspen Hill | Maryland | 48759 | 0 | 100 |
| Wheaton | Maryland | 48284 | 0 | 100 |
| Potomac | Maryland | 44965 | 1 | 100 |
| North Bethesda | Maryland | 43828 | 0 | 100 |
| Hagerstown | Maryland | 39662 | 0 | 100 |
| Clinton | Maryland | 35970 | 1 | 100 |
| Olney | Maryland | 33844 | 0 | 100 |
| Chillum | Maryland | 33513 | 0 | 100 |
| Montgomery Village | Maryland | 32032 | 0 | 100 |
| College Park | Maryland | 30413 | 0 | 100 |
| South Laurel | Maryland | 26112 | 0 | 100 |
| Suitland | Maryland | 25825 | 0 | 100 |
| Laurel | Maryland | 25115 | 0 | 100 |
| North Potomac | Maryland | 24410 | 0 | 100 |
| Scaggsville | Maryland | 24333 | 0 | 100 |
| Fort Washington | Maryland | 23717 | 0 | 100 |
| Fairland | Maryland | 23681 | 0 | 100 |
| Landover | Maryland | 23078 | 0 | 100 |
| Greenbelt | Maryland | 23068 | 0 | 100 |
| Cumberland | Maryland | 20859 | 0 | 100 |
| Camp Springs | Maryland | 19096 | 0 | 100 |
| Langley Park | Maryland | 18755 | 0 | 100 |
| Ballenger Creek | Maryland | 18274 | 0 | 100 |
| Calverton | Maryland | 17724 | 0 | 100 |
| Oxon Hill | Maryland | 17722 | 0 | 100 |
| Hyattsville | Maryland | 17557 | 0 | 100 |
| White Oak | Maryland | 17403 | 0 | 100 |
| Glassmanor | Maryland | 17295 | 0 | 100 |
| Seabrook | Maryland | 17287 | 0 | 100 |
| Redland | Maryland | 17242 | 0 | 100 |
| Beltsville | Maryland | 16772 | 0 | 100 |
| Takoma Park | Maryland | 16715 | 0 | 100 |
| Hillcrest Heights | Maryland | 16469 | 0 | 100 |
| Maryland City | Maryland | 16093 | 0 | 100 |
| East Riverdale | Maryland | 15509 | 0 | 100 |
| Damascus | Maryland | 15257 | 0 | 100 |
| Cloverly | Maryland | 15126 | 0 | 100 |
| Adelphi | Maryland | 15086 | 0 | 100 |
| Colesville | Maryland | 14647 | 0 | 100 |
| Clarksburg | Maryland | 13766 | 0 | 100 |
| Glenmont | Maryland | 13529 | 0 | 100 |
| Glenn Dale | Maryland | 13466 | 0 | 100 |
| Kettering | Maryland | 12790 | 0 | 100 |
| Kemp Mill | Maryland | 12564 | 0 | 100 |
| Forestville | Maryland | 12353 | 0 | 100 |
| Travilah | Maryland | 12159 | 0 | 100 |
| New Carrollton | Maryland | 12135 | 0 | 100 |
| Bensville | Maryland | 11923 | 0 | 100 |
| California | Maryland | 11857 | 0 | 100 |
| Lexington Park | Maryland | 11626 | 0 | 100 |
| Walker Mill | Maryland | 11302 | 0 | 100 |
| Mitchellville | Maryland | 10967 | 0 | 100 |
| Summerfield | Maryland | 10898 | 0 | 100 |
| Largo | Maryland | 10709 | 0 | 100 |
| Halfway | Maryland | 10701 | 0 | 100 |
| Rosaryville | Maryland | 10697 | 0 | 100 |
| Accokeek | Maryland | 10573 | 1 | 100 |
| Lanham | Maryland | 10157 | 0 | 100 |
| Coral Hills | Maryland | 9895 | 0 | 99 |
| Lake Arbor | Maryland | 9776 | 0 | 100 |
| Brock Hall | Maryland | 9552 | 0 | 100 |
| Chevy Chase | Maryland | 9545 | 0 | 100 |
| North Kensington | Maryland | 9514 | 0 | 100 |
| Marlboro Village | Maryland | 9438 | 0 | 100 |
| Fort Meade | Maryland | 9327 | 0 | 6 |
| Mount Airy | Maryland | 9288 | 0 | 100 |
| Friendly | Maryland | 9250 | 0 | 100 |
| Urbana | Maryland | 9175 | 0 | 100 |
| Bladensburg | Maryland | 9148 | 0 | 100 |
| Marlton | Maryland | 9031 | 0 | 100 |
| Frostburg | Maryland | 9002 | 0 | 100 |
| La Plata | Maryland | 8753 | 0 | 100 |
| Leisure World | Maryland | 8749 | 0 | 100 |
| Linganore | Maryland | 8543 | 0 | 100 |
| South Kensington | Maryland | 8462 | 0 | 100 |
| Burtonsville | Maryland | 8323 | 0 | 100 |
| Mount Rainier | Maryland | 8080 | 0 | 100 |
| Four Corners | Maryland | 7945 | 0 | 100 |
| Temple Hills | Maryland | 7852 | 0 | 100 |
| Westphalia | Maryland | 7266 | 0 | 100 |
| Bryans Road | Maryland | 7244 | 0 | 100 |
| Savage | Maryland | 7054 | 0 | 100 |
| Riverdale Park | Maryland | 6956 | 0 | 100 |
| Robinwood | Maryland | 6918 | 0 | 100 |
| Darnestown | Maryland | 6802 | 0 | 100 |
| Brandywine | Maryland | 6719 | 0 | 100 |
| Forest Glen | Maryland | 6582 | 0 | 100 |
| Woodlawn | Maryland | 6334 | 0 | 100 |
| Cheverly | Maryland | 6173 | 0 | 100 |
| Thurmont | Maryland | 6170 | 0 | 100 |
| Hillandale | Maryland | 6043 | 0 | 100 |
| Glenarden | Maryland | 6000 | 0 | 100 |
| Silver Hill | Maryland | 5950 | 0 | 100 |
| Brunswick | Maryland | 5870 | 0 | 100 |
| District Heights | Maryland | 5837 | 0 | 100 |
| Shady Side | Maryland | 5803 | 0 | 12 |
| Walkersville | Maryland | 5800 | 0 | 100 |
| Spring Ridge | Maryland | 5795 | 0 | 100 |
| Fountainhead-Orchard Hills | Maryland | 5666 | 0 | 100 |
| Ashton-Sandy Spring | Maryland | 5628 | 0 | 100 |
| Marlow Heights | Maryland | 5618 | 0 | 100 |
| Layhill | Maryland | 5169 | 0 | 100 |
| Fairwood | Maryland | 5031 | 0 | 100 |
| Peppermill Village | Maryland | 4895 | 0 | 100 |
| Poolesville | Maryland | 4883 | 0 | 100 |
| Friendship Heights Village | Maryland | 4698 | 0 | 100 |
| Cresaptown | Maryland | 4592 | 0 | 100 |
| Seat Pleasant | Maryland | 4542 | 0 | 100 |
| North Laurel | Maryland | 4474 | 0 | 100 |
| Capitol Heights | Maryland | 4337 | 0 | 100 |
| West Laurel | Maryland | 4230 | 0 | 100 |
| Middletown | Maryland | 4136 | 0 | 100 |
| Woodmore | Maryland | 3936 | 0 | 100 |
| Indian Head | Maryland | 3844 | 0 | 100 |
| Golden Beach | Maryland | 3796 | 0 | 100 |
| National Harbor | Maryland | 3788 | 0 | 100 |
| Marlboro Meadows | Maryland | 3672 | 0 | 100 |
| La Vale | Maryland | 3551 | 0 | 100 |
| Brookmont | Maryland | 3468 | 0 | 100 |
| Boonsboro | Maryland | 3336 | 0 | 100 |
| Berwyn Heights | Maryland | 3123 | 0 | 100 |
| Maugansville | Maryland | 3071 | 0 | 100 |
| Melwood | Maryland | 3051 | 0 | 100 |
| Brentwood | Maryland | 3046 | 0 | 100 |
| Springdale | Maryland | 2994 | 0 | 100 |
| Smithsburg | Maryland | 2975 | 0 | 100 |
| Andrews AFB | Maryland | 2973 | 0 | 100 |
| St. James | Maryland | 2953 | 0 | 100 |
| Leonardtown | Maryland | 2930 | 0 | 100 |
| Chevy Chase | Maryland | 2824 | 0 | 100 |
| Emmitsburg | Maryland | 2814 | 0 | 100 |
| Croom | Maryland | 2631 | 1 | 100 |
| Braddock Heights | Maryland | 2608 | 0 | 100 |
| Paramount-Long Meadow | Maryland | 2571 | 0 | 100 |
| University Park | Maryland | 2548 | 0 | 100 |
| Potomac Park | Maryland | 2530 | 0 | 100 |
| Konterra | Maryland | 2527 | 0 | 100 |
| Dunkirk | Maryland | 2520 | 0 | 100 |
| Forest Heights | Maryland | 2447 | 0 | 100 |
| Derwood | Maryland | 2381 | 0 | 100 |
| Adamstown | Maryland | 2372 | 0 | 100 |
| Wilson-Conococheague | Maryland | 2282 | 0 | 100 |
| Cabin John | Maryland | 2280 | 0 | 97 |
| Kensington | Maryland | 2213 | 0 | 100 |
| Hughesville | Maryland | 2197 | 0 | 100 |
| Williamsport | Maryland | 2137 | 0 | 100 |
| Baden | Maryland | 2128 | 1 | 100 |
| Jefferson | Maryland | 2111 | 0 | 100 |
| Mountain Lake Park | Maryland | 2092 | 0 | 100 |
| Fulton | Maryland | 2049 | 0 | 100 |
| Morningside | Maryland | 2015 | 0 | 100 |
| North Beach | Maryland | 1978 | 0 | 11 |
| Chevy Chase Village | Maryland | 1953 | 0 | 100 |
| Queenland | Maryland | 1929 | 0 | 100 |
| Oakland | Maryland | 1925 | 0 | 100 |
| Westernport | Maryland | 1888 | 0 | 98 |
| Landover Hills | Maryland | 1687 | 0 | 100 |
| Myersville | Maryland | 1626 | 0 | 100 |
| Spencerville | Maryland | 1594 | 0 | 100 |
| Hancock | Maryland | 1545 | 0 | 100 |
| Mechanicsville | Maryland | 1508 | 0 | 100 |
| Fairmount Heights | Maryland | 1494 | 0 | 100 |
| Cavetown | Maryland | 1473 | 0 | 100 |
| Point of Rocks | Maryland | 1466 | 0 | 100 |
| Bartonsville | Maryland | 1451 | 0 | 100 |
| Edmonston | Maryland | 1445 | 0 | 100 |
| Charlotte Hall | Maryland | 1420 | 0 | 100 |
| Colmar Manor | Maryland | 1404 | 0 | 100 |
| Cottage City | Maryland | 1305 | 0 | 100 |
| Queen Anne | Maryland | 1280 | 0 | 100 |
| Bel Air | Maryland | 1258 | 0 | 100 |
| Somerset | Maryland | 1216 | 0 | 100 |
| Lonaconing | Maryland | 1214 | 0 | 100 |
| Cobb Island | Maryland | 1166 | 0 | 100 |
| Keedysville | Maryland | 1152 | 0 | 100 |
| Woodsboro | Maryland | 1141 | 0 | 100 |
| Potomac Heights | Maryland | 1117 | 0 | 100 |
| Highfield-Cascade | Maryland | 1112 | 0 | 100 |
| Bowling Green | Maryland | 1077 | 0 | 100 |
| Highland | Maryland | 1034 | 0 | 100 |
| Buckeystown | Maryland | 1019 | 0 | 100 |
| Garrett Park | Maryland | 992 | 0 | 100 |
| Aquasco | Maryland | 981 | 0 | 100 |
| Libertytown | Maryland | 950 | 0 | 100 |
| Martin's Additions | Maryland | 933 | 0 | 100 |
| Eckhart Mines | Maryland | 932 | 0 | 100 |
| Chevy Chase View | Maryland | 920 | 0 | 100 |
| Funkstown | Maryland | 904 | 0 | 100 |
| Mount Savage | Maryland | 873 | 0 | 100 |
| Piney Point | Maryland | 864 | 0 | 100 |
| Grantsville | Maryland | 766 | 0 | 100 |
| Chevy Chase Section Three | Maryland | 760 | 0 | 100 |
| Cedarville | Maryland | 717 | 0 | 100 |
| Sharpsburg | Maryland | 705 | 0 | 100 |
| Rawlings | Maryland | 693 | 0 | 100 |
| Chevy Chase Section Five | Maryland | 658 | 0 | 100 |
| New Market | Maryland | 656 | 0 | 100 |
| Bryantown | Maryland | 655 | 0 | 100 |
| Upper Marlboro | Maryland | 631 | 0 | 100 |
| Bowmans Addition | Maryland | 627 | 0 | 100 |
| Fairplay | Maryland | 580 | 0 | 100 |
| Leitersburg | Maryland | 573 | 0 | 100 |
| Ellerslie | Maryland | 572 | 0 | 100 |
| Mount Aetna | Maryland | 561 | 0 | 100 |
| Washington Grove | Maryland | 555 | 0 | 100 |
| Loch Lynn Heights | Maryland | 552 | 0 | 100 |
| Finzel | Maryland | 547 | 0 | 100 |
| North Chevy Chase | Maryland | 519 | 0 | 100 |
| North Brentwood | Maryland | 517 | 0 | 100 |
| Pomfret | Maryland | 517 | 0 | 100 |
| Mount Lena | Maryland | 515 | 0 | 100 |
| McCoole | Maryland | 511 | 0 | 100 |
| Friendsville | Maryland | 491 | 0 | 100 |
| Tilghmanton | Maryland | 465 | 0 | 100 |
| Tall Timbers | Maryland | 462 | 0 | 100 |
| Barton | Maryland | 457 | 0 | 100 |
| Corriganville | Maryland | 455 | 0 | 100 |
| Pinesburg | Maryland | 449 | 0 | 100 |
| Midland | Maryland | 446 | 0 | 100 |
| Monrovia | Maryland | 416 | 0 | 100 |
| Deer Park | Maryland | 399 | 0 | 100 |
| San Mar | Maryland | 384 | 0 | 100 |
| Grahamtown | Maryland | 364 | 0 | 100 |
| Zihlman | Maryland | 362 | 0 | 100 |
| Clear Spring | Maryland | 358 | 0 | 100 |
| Downsville | Maryland | 355 | 0 | 100 |
| Sabillasville | Maryland | 354 | 0 | 100 |
| Laytonsville | Maryland | 353 | 0 | 100 |
| Pleasant Grove | Maryland | 353 | 0 | 100 |
| Bagtown | Maryland | 333 | 0 | 100 |
| Accident | Maryland | 325 | 0 | 100 |
| Kitzmiller | Maryland | 321 | 0 | 99 |
| Midlothian | Maryland | 320 | 0 | 100 |
| Fort Ritchie | Maryland | 314 | 0 | 100 |
| Bloomington | Maryland | 305 | 0 | 100 |
| Rosemont | Maryland | 294 | 0 | 100 |
| Franklin | Maryland | 290 | 0 | 100 |
| Danville | Maryland | 271 | 0 | 100 |
| Crellin | Maryland | 264 | 0 | 100 |
| Benedict | Maryland | 261 | 0 | 100 |
| St. George Island | Maryland | 257 | 0 | 100 |
| Glen Echo | Maryland | 255 | 0 | 100 |
| Breathedsville | Maryland | 254 | 0 | 100 |
| Beaver Creek | Maryland | 251 | 0 | 100 |
| Moscow | Maryland | 240 | 0 | 100 |
| Chewsville | Maryland | 238 | 0 | 100 |
| Mapleville | Maryland | 238 | 0 | 100 |
| Shaft | Maryland | 235 | 0 | 100 |
| Garretts Mill | Maryland | 234 | 0 | 100 |
| Edgemont | Maryland | 231 | 0 | 100 |
| Greensburg | Maryland | 229 | 0 | 100 |
| Jugtown | Maryland | 204 | 0 | 100 |
| Sandy Hook | Maryland | 188 | 0 | 100 |
| Cearfoss | Maryland | 178 | 0 | 100 |
| Flintstone | Maryland | 177 | 0 | 100 |
| Rohrersville | Maryland | 175 | 0 | 100 |
| Bier | Maryland | 173 | 0 | 100 |
| Barnesville | Maryland | 172 | 0 | 100 |
| Trego-Rohrersville Station | Maryland | 172 | 0 | 100 |
| Charlton | Maryland | 171 | 0 | 100 |
| Pecktonville | Maryland | 167 | 0 | 100 |
| Ringgold | Maryland | 166 | 0 | 100 |
| Dargan | Maryland | 165 | 0 | 100 |
| Mount Briar | Maryland | 160 | 0 | 100 |
| Pondsville | Maryland | 158 | 0 | 100 |
| Carlos | Maryland | 153 | 0 | 100 |
| Burkittsville | Maryland | 151 | 0 | 100 |
| Vale Summit | Maryland | 139 | 0 | 100 |
| Brookeville | Maryland | 134 | 0 | 100 |
| Yarrowsburg | Maryland | 133 | 0 | 100 |
| Mercersville | Maryland | 130 | 0 | 100 |
| Gilmore | Maryland | 127 | 0 | 100 |
| Kemps Mill | Maryland | 126 | 0 | 100 |
| Klondike | Maryland | 118 | 0 | 100 |
| Nikep | Maryland | 116 | 0 | 100 |
| Jennings | Maryland | 113 | 0 | 100 |
| Woodland | Maryland | 113 | 0 | 100 |
| Gapland | Maryland | 109 | 0 | 100 |
| Rock Point | Maryland | 107 | 0 | 100 |
| Gorman | Maryland | 106 | 0 | 100 |
| Dawson | Maryland | 103 | 0 | 100 |
| Antietam | Maryland | 89 | 0 | 100 |
| Brownsville | Maryland | 89 | 0 | 100 |
| Hutton | Maryland | 86 | 0 | 100 |
| Oldtown | Maryland | 86 | 0 | 100 |
| Big Spring | Maryland | 84 | 0 | 100 |
| Big Pool | Maryland | 82 | 0 | 100 |
| Fairview | Maryland | 76 | 0 | 100 |
| Barrelville | Maryland | 73 | 0 | 100 |
| Clarysville | Maryland | 73 | 0 | 100 |
| Detmold | Maryland | 71 | 0 | 100 |
| Middleburg | Maryland | 70 | 0 | 100 |
| Luke | Maryland | 65 | 0 | 90 |
| Indian Springs | Maryland | 64 | 0 | 100 |
| Eagle Harbor | Maryland | 63 | 0 | 100 |
| Swanton | Maryland | 58 | 0 | 100 |
| Ernstville | Maryland | 56 | 0 | 100 |
| National | Maryland | 56 | 0 | 100 |
| Spring Gap | Maryland | 55 | 0 | 100 |
| Reid | Maryland | 54 | 0 | 100 |
| Little Orleans | Maryland | 42 | 0 | 100 |
| Ocean | Maryland | 32 | 0 | 100 |
| Bakersville | Maryland | 30 | 0 | 100 |
| Eakles Mill | Maryland | 27 | 0 | 100 |
| Port Tobacco Village | Maryland | 13 | 0 | 100 |
More cities
Popular Zip Codes
| Zip Code | Primary City | County | State | Timezone | Population | Housing Count |
|---|---|---|---|---|---|---|
| 20906 | Silver Spring | Montgomery County | Maryland | America/New_York | 64696 | 25715 |
| 20878 | Gaithersburg | Montgomery County | Maryland | America/New_York | 62446 | 23155 |
| 21740 | Hagerstown | Washington County | Maryland | America/New_York | 61859 | 25858 |
| 20874 | Germantown | Montgomery County | Maryland | America/New_York | 57367 | 22256 |
| 20744 | Fort Washington | Prince George's County | Maryland | America/New_York | 50722 | 19468 |
| 20906 | Silver Spring | Montgomery County | Maryland | America/New_York | 64696 | 25715 |
| 20878 | Gaithersburg | Montgomery County | Maryland | America/New_York | 62446 | 23155 |
| 21740 | Hagerstown | Washington County | Maryland | America/New_York | 61859 | 25858 |
| 20874 | Germantown | Montgomery County | Maryland | America/New_York | 57367 | 22256 |
| 20744 | Fort Washington | Prince George's County | Maryland | America/New_York | 50722 | 19468 |
| 20902 | Silver Spring | Montgomery County | Maryland | America/New_York | 48841 | 17073 |
| 20850 | Rockville | Montgomery County | Maryland | America/New_York | 46340 | 19085 |
| 21502 | Cumberland | Allegany County | Maryland | America/New_York | 44400 | 19499 |
| 20774 | Upper Marlboro | Prince George's County | Maryland | America/New_York | 43013 | 17131 |
| 20772 | Upper Marlboro | Prince George's County | Maryland | America/New_York | 42625 | 16207 |
| 21044 | Columbia | Howard County | Maryland | America/New_York | 41704 | 18371 |
| 20852 | Rockville | Montgomery County | Maryland | America/New_York | 40365 | 20062 |
| 20747 | District Heights | Prince George's County | Maryland | America/New_York | 40054 | 16486 |
| 21702 | Frederick | Frederick County | Maryland | America/New_York | 38847 | 15617 |
| 20748 | Temple Hills | Prince George's County | Maryland | America/New_York | 38792 | 16684 |
| 20706 | Lanham | Prince George's County | Maryland | America/New_York | 38692 | 13065 |
| 20743 | Capitol Heights | Prince George's County | Maryland | America/New_York | 38621 | 15511 |
| 21045 | Columbia | Howard County | Maryland | America/New_York | 38288 | 15283 |
| 20910 | Silver Spring | Montgomery County | Maryland | America/New_York | 37445 | 19047 |
| 20817 | Bethesda | Montgomery County | Maryland | America/New_York | 36240 | 14020 |
| 20735 | Clinton | Prince George's County | Maryland | America/New_York | 35421 | 12617 |
| 21701 | Frederick | Frederick County | Maryland | America/New_York | 35293 | 15847 |
| 20785 | Hyattsville | Prince George's County | Maryland | America/New_York | 35052 | 14864 |
| 20901 | Silver Spring | Montgomery County | Maryland | America/New_York | 34832 | 12912 |
| 20877 | Gaithersburg | Montgomery County | Maryland | America/New_York | 34321 | 12249 |
| 21227 | Halethorpe | Baltimore County | Maryland | America/New_York | 33534 | 13611 |
| 20886 | Montgomery Village | Montgomery County | Maryland | America/New_York | 33282 | 12759 |
| 21703 | Frederick | Frederick County | Maryland | America/New_York | 32854 | 12772 |
| 20707 | Laurel | Prince George's County | Maryland | America/New_York | 31538 | 13576 |
| 21742 | Hagerstown | Washington County | Maryland | America/New_York | 31444 | 13555 |
| 20782 | Hyattsville | Prince George's County | Maryland | America/New_York | 30560 | 11552 |
| 21113 | Odenton | Anne Arundel County | Maryland | America/New_York | 30469 | 12705 |
| 20853 | Rockville | Montgomery County | Maryland | America/New_York | 29673 | 10035 |
| 21771 | Mount Airy | Frederick County | Maryland | America/New_York | 29563 | 10200 |
| 20815 | Chevy Chase | Montgomery County | Maryland | America/New_York | 29082 | 13850 |
| 20723 | Laurel | Howard County | Maryland | America/New_York | 28972 | 10491 |
| 20603 | Waldorf | Charles County | Maryland | America/New_York | 28967 | 10317 |
| 20746 | Suitland | Prince George's County | Maryland | America/New_York | 28838 | 12548 |
| 20740 | College Park | Prince George's County | Maryland | America/New_York | 28780 | 11011 |
| 20745 | Oxon Hill | Prince George's County | Maryland | America/New_York | 28451 | 12165 |
| 20814 | Bethesda | Montgomery County | Maryland | America/New_York | 27642 | 14103 |
| 20715 | Bowie | Prince George's County | Maryland | America/New_York | 26382 | 9357 |
| 21075 | Elkridge | Howard County | Maryland | America/New_York | 26344 | 10215 |
| 20705 | Beltsville | Prince George's County | Maryland | America/New_York | 26188 | 9281 |
| 20708 | Laurel | Prince George's County | Maryland | America/New_York | 25546 | 10733 |
| 20876 | Germantown | Montgomery County | Maryland | America/New_York | 25496 | 8738 |
| 21114 | Crofton | Anne Arundel County | Maryland | America/New_York | 25225 | 9857 |
| 20770 | Greenbelt | Prince George's County | Maryland | America/New_York | 25173 | 11407 |
| 20832 | Olney | Montgomery County | Maryland | America/New_York | 24965 | 8863 |
| 20602 | Waldorf | Charles County | Maryland | America/New_York | 24955 | 9736 |
| 20912 | Takoma Park | Montgomery County | Maryland | America/New_York | 24807 | 10257 |
| 20653 | Lexington Park | St. Mary's County | Maryland | America/New_York | 24481 | 10066 |
| 20879 | Gaithersburg | Montgomery County | Maryland | America/New_York | 24360 | 8371 |
| 20601 | Waldorf | Charles County | Maryland | America/New_York | 24156 | 8722 |
| 20659 | Mechanicsville | St. Mary's County | Maryland | America/New_York | 23498 | 8150 |
| 20720 | Bowie | Prince George's County | Maryland | America/New_York | 21031 | 7229 |
| 20737 | Riverdale | Prince George's County | Maryland | America/New_York | 20684 | 6227 |
| 20895 | Kensington | Montgomery County | Maryland | America/New_York | 19054 | 7475 |
| 20646 | La Plata | Charles County | Maryland | America/New_York | 18890 | 7015 |
| 20816 | Bethesda | Montgomery County | Maryland | America/New_York | 16208 | 6666 |
| 20724 | Laurel | Anne Arundel County | Maryland | America/New_York | 16093 | 6615 |
| 21532 | Frostburg | Allegany County | Maryland | America/New_York | 15620 | 6425 |
| 21046 | Columbia | Howard County | Maryland | America/New_York | 15080 | 6262 |
| 20855 | Derwood | Montgomery County | Maryland | America/New_York | 14295 | 5018 |
| 21550 | Oakland | Garrett County | Maryland | America/New_York | 14194 | 8203 |
| 20851 | Rockville | Montgomery County | Maryland | America/New_York | 14191 | 5042 |
| 20882 | Gaithersburg | Montgomery County | Maryland | America/New_York | 14063 | 4654 |
| 20650 | Leonardtown | St. Mary's County | Maryland | America/New_York | 13717 | 5412 |
| 21704 | Frederick | Frederick County | Maryland | America/New_York | 13321 | 4439 |
| 20871 | Clarksburg | Montgomery County | Maryland | America/New_York | 13130 | 4295 |
| 20872 | Damascus | Montgomery County | Maryland | America/New_York | 13104 | 4575 |
| 20613 | Brandywine | Prince George's County | Maryland | America/New_York | 11860 | 4424 |
| 21788 | Thurmont | Frederick County | Maryland | America/New_York | 11622 | 4718 |
| 20781 | Hyattsville | Prince George's County | Maryland | America/New_York | 11440 | 4093 |
| 21029 | Clarksville | Howard County | Maryland | America/New_York | 11333 | 3515 |
| 21769 | Middletown | Frederick County | Maryland | America/New_York | 11236 | 4149 |
| 20841 | Boyds | Montgomery County | Maryland | America/New_York | 10460 | 2908 |
| 20640 | Indian Head | Charles County | Maryland | America/New_York | 10438 | 4089 |
| 21054 | Gambrills | Anne Arundel County | Maryland | America/New_York | 10127 | 3850 |
| 21713 | Boonsboro | Washington County | Maryland | America/New_York | 9502 | 3769 |
| 20710 | Bladensburg | Prince George's County | Maryland | America/New_York | 9313 | 3882 |
| 21795 | Williamsport | Washington County | Maryland | America/New_York | 9233 | 3958 |
| 21783 | Smithsburg | Washington County | Maryland | America/New_York | 9130 | 3522 |
| 20712 | Mount Rainier | Prince George's County | Maryland | America/New_York | 9031 | 3927 |
| 20742 | College Park | Prince George's County | Maryland | America/New_York | 7808 | 1 |
| 20711 | Lothian | Anne Arundel County | Maryland | America/New_York | 6643 | 2710 |
| 20769 | Glenn Dale | Prince George's County | Maryland | America/New_York | 6604 | 2150 |
| 21754 | Ijamsville | Frederick County | Maryland | America/New_York | 6323 | 2198 |
| 20634 | Great Mills | St. Mary's County | Maryland | America/New_York | 5927 | 2375 |
| 21727 | Emmitsburg | Frederick County | Maryland | America/New_York | 5850 | 1811 |
| 20837 | Poolesville | Montgomery County | Maryland | America/New_York | 5789 | 2059 |
| 20722 | Brentwood | Prince George's County | Maryland | America/New_York | 5711 | 1945 |
| 21755 | Jefferson | Frederick County | Maryland | America/New_York | 5591 | 2103 |
| 21773 | Myersville | Frederick County | Maryland | America/New_York | 5460 | 2080 |
| 20637 | Hughesville | Charles County | Maryland | America/New_York | 5423 | 1882 |
| 21770 | Monrovia | Frederick County | Maryland | America/New_York | 5164 | 1780 |
| 20622 | Charlotte Hall | Charles County | Maryland | America/New_York | 4900 | 1485 |
| 21710 | Adamstown | Frederick County | Maryland | America/New_York | 4515 | 1710 |
| 21536 | Grantsville | Garrett County | Maryland | America/New_York | 4121 | 1890 |
| 21782 | Sharpsburg | Washington County | Maryland | America/New_York | 4097 | 1730 |
| 21750 | Hancock | Washington County | Maryland | America/New_York | 3766 | 1779 |
| 20777 | Highland | Howard County | Maryland | America/New_York | 3314 | 1111 |
| 21562 | Westernport | Allegany County | Maryland | America/New_York | 3141 | 1536 |
| 20664 | Newburg | Charles County | Maryland | America/New_York | 2987 | 1384 |
| 20762 | Andrews Air Force Base | Prince George's County | Maryland | America/New_York | 2973 | 1385 |
| 20662 | Nanjemoy | Charles County | Maryland | America/New_York | 2934 | 1229 |
| 20623 | Cheltenham | Prince George's County | Maryland | America/New_York | 2744 | 892 |
| 20860 | Sandy Spring | Montgomery County | Maryland | America/New_York | 2396 | 849 |
| 21798 | Woodsboro | Frederick County | Maryland | America/New_York | 2345 | 896 |
| 20677 | Port Tobacco | Charles County | Maryland | America/New_York | 2322 | 878 |
| 21036 | Dayton | Howard County | Maryland | America/New_York | 2114 | 717 |
| 20818 | Cabin John | Montgomery County | Maryland | America/New_York | 1962 | 789 |
| 21557 | Rawlings | Allegany County | Maryland | America/New_York | 1895 | 876 |
| 21746 | Hagerstown | Washington County | Maryland | America/New_York | 1883 | 0 |
| 20861 | Ashton | Montgomery County | Maryland | America/New_York | 1875 | 668 |
| 21780 | Sabillasville | Frederick County | Maryland | America/New_York | 1625 | 661 |
| 21530 | Flintstone | Allegany County | Maryland | America/New_York | 1591 | 801 |
| 21719 | Cascade | Washington County | Maryland | America/New_York | 1548 | 660 |
| 21777 | Point Of Rocks | Frederick County | Maryland | America/New_York | 1470 | 528 |
| 20620 | Callaway | St. Mary's County | Maryland | America/New_York | 1443 | 557 |
| 20686 | Saint Marys City | St. Mary's County | Maryland | America/New_York | 1332 | 38 |
| 20624 | Clements | St. Mary's County | Maryland | America/New_York | 1282 | 487 |
| 21733 | Fairplay | Washington County | Maryland | America/New_York | 1163 | 428 |
| 20684 | Saint Inigoes | St. Mary's County | Maryland | America/New_York | 1125 | 503 |
| 20680 | Ridge | St. Mary's County | Maryland | America/New_York | 1119 | 585 |
| 21778 | Rocky Ridge | Frederick County | Maryland | America/New_York | 1094 | 438 |
| 20693 | Welcome | Charles County | Maryland | America/New_York | 1088 | 424 |
| 20611 | Bel Alton | Charles County | Maryland | America/New_York | 1078 | 413 |
| 20625 | Cobb Island | Charles County | Maryland | America/New_York | 1062 | 609 |
| 21711 | Big Pool | Washington County | Maryland | America/New_York | 1029 | 418 |
| 20670 | Patuxent River | St. Mary's County | Maryland | America/New_York | 1014 | 225 |
| 21767 | Maugansville | Washington County | Maryland | America/New_York | 991 | 463 |
| 21779 | Rohrersville | Washington County | Maryland | America/New_York | 983 | 394 |
| 20608 | Aquasco | Prince George's County | Maryland | America/New_York | 919 | 426 |
| 20896 | Garrett Park | Montgomery County | Maryland | America/New_York | 906 | 352 |
| 20645 | Issue | Charles County | Maryland | America/New_York | 857 | 386 |
| 20658 | Marbury | Charles County | Maryland | America/New_York | 854 | 377 |
| 20617 | Bryantown | Charles County | Maryland | America/New_York | 781 | 301 |
| 21734 | Funkstown | Washington County | Maryland | America/New_York | 771 | 392 |
| 20690 | Tall Timbers | St. Mary's County | Maryland | America/New_York | 740 | 369 |
| 21766 | Little Orleans | Allegany County | Maryland | America/New_York | 700 | 396 |
| 21529 | Ellerslie | Allegany County | Maryland | America/New_York | 631 | 287 |
| 21524 | Corriganville | Allegany County | Maryland | America/New_York | 626 | 275 |
| 20628 | Dameron | St. Mary's County | Maryland | America/New_York | 594 | 271 |
| 20667 | Park Hall | St. Mary's County | Maryland | America/New_York | 494 | 222 |
| 21542 | Midland | Allegany County | Maryland | America/New_York | 483 | 229 |
| 20880 | Washington Grove | Montgomery County | Maryland | America/New_York | 450 | 204 |
| 20626 | Coltons Point | St. Mary's County | Maryland | America/New_York | 373 | 230 |
| 20632 | Faulkner | Charles County | Maryland | America/New_York | 347 | 131 |
| 20862 | Brinklow | Montgomery County | Maryland | America/New_York | 343 | 124 |
| 20687 | Scotland | St. Mary's County | Maryland | America/New_York | 313 | 244 |
| 21523 | Bloomington | Garrett County | Maryland | America/New_York | 286 | 124 |
| 20612 | Benedict | Charles County | Maryland | America/New_York | 261 | 142 |
| 20838 | Barnesville | Montgomery County | Maryland | America/New_York | 259 | 109 |
| 20812 | Glen Echo | Montgomery County | Maryland | America/New_York | 255 | 100 |
| 21762 | Libertytown | Frederick County | Maryland | America/New_York | 249 | 100 |
| 20839 | Beallsville | Montgomery County | Maryland | America/New_York | 214 | 81 |
| 21718 | Burkittsville | Frederick County | Maryland | America/New_York | 151 | 74 |
| 20899 | Gaithersburg | Montgomery County | Maryland | America/New_York | 142 | 130 |
| 21543 | Midlothian | Allegany County | Maryland | America/New_York | 140 | 61 |
| 21781 | Saint James | Washington County | Maryland | America/New_York | 136 | 7 |
| 21790 | Tuscarora | Frederick County | Maryland | America/New_York | 100 | 44 |
| 21714 | Braddock Heights | Frederick County | Maryland | America/New_York | 99 | 61 |
| 20660 | Morganza | St. Mary's County | Maryland | America/New_York | 97 | 32 |
| 21717 | Buckeystown | Frederick County | Maryland | America/New_York | 54 | 25 |
| 21705 | Frederick | Frederick County | Maryland | America/New_York | 8 | 0 |
| 20604 | Waldorf | Charles County | Maryland | America/New_York | 0 | 0 |
| 20627 | Compton | St. Mary's County | Maryland | America/New_York | 0 | 0 |
| 20635 | Helen | St Mary's County | Maryland | America/New_York | 0 | 0 |
| 20643 | Ironsides | Charles County | Maryland | America/New_York | 0 | 0 |
| 20661 | Mount Victoria | Charles County | Maryland | America/New_York | 0 | 0 |
| 20682 | Rock Point | Charles County | Maryland | America/New_York | 0 | 0 |
| 20697 | Southern Md Facility | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20703 | Lanham | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20704 | Beltsville | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20709 | Laurel | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20717 | Bowie | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20718 | Bowie | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20719 | Bowie | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20725 | Laurel | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20726 | Laurel | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20731 | Capitol Heights | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20738 | Riverdale | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20741 | College Park | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20749 | Fort Washington | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20750 | Oxon Hill | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20752 | Suitland | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20753 | District Heights | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20757 | Temple Hills | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20768 | Greenbelt | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20771 | Greenbelt | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20773 | Upper Marlboro | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20775 | Upper Marlboro | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20787 | Hyattsville | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20788 | Hyattsville | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20790 | Capitol Heights | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20791 | Capitol Heights | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20792 | Upper Marlboro | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20797 | Southern Md Facility | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20799 | Capitol Heights | Prince George's County | Maryland | America/New_York | 0 | 0 |
| 20810 | Bethesda | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20811 | Bethesda | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20813 | Bethesda | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20824 | Bethesda | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20825 | Chevy Chase | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20827 | Bethesda | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20830 | Olney | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20847 | Rockville | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20848 | Rockville | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20849 | Rockville | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20857 | Rockville | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20859 | Potomac | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20875 | Germantown | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20883 | Gaithersburg | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20884 | Gaithersburg | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20885 | Gaithersburg | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20889 | Bethesda | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20891 | Kensington | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20892 | Bethesda | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20894 | Bethesda | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20897 | Suburb Maryland Fac | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20898 | Gaithersburg | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20907 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20908 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20911 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20913 | Takoma Park | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20914 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20915 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20916 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20918 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20993 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 20997 | Silver Spring | Montgomery County | Maryland | America/New_York | 0 | 0 |
| 21240 | Baltimore | Anne Arundel County | Maryland | America/New_York | 0 | 0 |
| 21501 | Cumberland | Allegany County | Maryland | America/New_York | 0 | 0 |
| 21503 | Cumberland | Allegany County | Maryland | America/New_York | 0 | 0 |
| 21504 | Cumberland | Allegany County | Maryland | America/New_York | 0 | 0 |
| 21505 | Cumberland | Allegany County | Maryland | America/New_York | 0 | 0 |
| 21528 | Eckhart Mines | Allegany County | Maryland | America/New_York | 0 | 0 |
| 21556 | Pinto | Allegany County | Maryland | America/New_York | 0 | 0 |
| 21560 | Spring Gap | Mineral County | Maryland | America/New_York | 0 | 0 |
| 21709 | Frederick | Frederick County | Maryland | America/New_York | 0 | 0 |
| 21715 | Brownsville | Washington County | Maryland | America/New_York | 0 | 0 |
| 21720 | Cavetown | Washington County | Maryland | America/New_York | 0 | 0 |
| 21721 | Chewsville | Washington County | Maryland | America/New_York | 0 | 0 |
| 21741 | Hagerstown | Washington County | Maryland | America/New_York | 0 | 0 |
| 21747 | Hagerstown | Washington County | Maryland | America/New_York | 0 | 0 |
| 21748 | Hagerstown | Washington County | Maryland | America/New_York | 0 | 0 |
| 21749 | Hagerstown | Washington County | Maryland | America/New_York | 0 | 0 |
| 21759 | Ladiesburg | Frederick County | Maryland | America/New_York | 0 | 0 |
| 21775 | New Midway | Frederick County | Maryland | America/New_York | 0 | 0 |
| 21792 | Unionville | Frederick County | Maryland | America/New_York | 0 | 0 |
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