Area code 815

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General Info

Area code 815 is in Illinois (IL). Popular cities using area code 815 are Rockford, Joliet, Bolingbrook, see full list here

The timezone within area code 815 is (America/Chicago). The current time is 19:00:09

Popular zip codes include 60435(Joliet), 60014(Crystal Lake), 60115(Dekalb), see full list here

Area code 815 Map

Here is the full area code map for state Illinois


Popular Cities

City Name State Population Percent of area code in city Percent of city in area code
Rockford Illinois 152871 1 100
Joliet Illinois 147433 1 94
Bolingbrook Illinois 73366 0 9
Tinley Park Illinois 56703 0 10
DeKalb Illinois 43862 0 100
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Popular Zip Codes

Zip Code Primary City County State Timezone Population Housing Count
60435 Joliet Will County Illinois America/Chicago 48899 19611
60014 Crystal Lake McHenry County Illinois America/Chicago 48550 17894
60115 Dekalb DeKalb County Illinois America/Chicago 46272 17761
60586 Plainfield Will County Illinois America/Chicago 46251 13808
60062 Northbrook Cook County Illinois America/Chicago 39936 16649
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