Area code 301

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General Info

Area code 301 is in Maryland (MD). Popular cities using area code 301 are Columbia, Germantown, Silver Spring, see full list here

The timezone within area code 301 is (America/New_York). The current time is 21:04:56

Popular zip codes include 20906(Silver Spring), 20878(Gaithersburg), 21740(Hagerstown), see full list here

Area code 301 Map

Here is the full area code map for state Maryland


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
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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
20904 Silver Spring Montgomery County Maryland America/New_York 54612 21452
20744 Fort Washington Prince George's County Maryland America/New_York 50722 19468
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