815 Area Code Information
State: IL
Largest City in Area: ROCKFORD
Where is Area Code 815? Area code (815) is in the state of IL. The PeopleSearchNow database has 4,276,118 records on file with a phone number in the area code of (815). Below, are the major cities in the area code (815).
Area Codes Starting with 8
Major Cities in 815
- ROCKFORD, IL (715,157)
- JOLIET, IL (462,574)
- CHICAGO, IL (382,250)
- PLAINFIELD, IL (213,045)
- CRYSTAL LAKE, IL (185,503)
- LOVES PARK, IL (166,252)
- DEKALB, IL (162,075)
- MCHENRY, IL (160,525)
- KANKAKEE, IL (153,935)
- LOCKPORT, IL (137,939)
Zip Codes in 815
- 60014
- 60050
- 60098
- 60115
- 60435
- 60441
- 60586
- 60901
- 60914
- 61008
- 61032
- 61101
- 61102
- 61103
- 61104
- 61107
- 61108
- 61109
- 61111
- 61115