Plainfield, IL Area Codes
Plainfield is served by area codes 779 and 815. It is in Illinois, Will County. About 101,100 people live in its 3 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 779, 815 |
| State / province | Illinois |
| County | Will County |
| Population | 101,100 |
| ZIP codes | 3 |
| Time zone | Central |
| Coordinates | 41.6164, -88.2261 |
What area code is Plainfield in?
ZIP codes in the code footprint
Nearby towns and their area codes
Oswego 331, 630Crest Hill 779, 815Romeoville 779, 815Shorewood 779, 815Lockport 779, 815Joliet 779, 815Montgomery 331, 630Minooka 779, 815
How to dial
Dial 779 + 7 digits for a number in Plainfield, or +1 779 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.