Fairfield, IA Area Codes
Fairfield is served by area code 641. It is in Iowa, Jefferson County. About 12,133 people live in its 2 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 641 |
| State / province | Iowa |
| County | Jefferson County |
| Population | 12,133 |
| ZIP codes | 2 |
| Time zone | Central |
| Coordinates | 41.0221, -91.9469 |
What area code is Fairfield in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 641 | Iowa | 468,184 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Mount Pleasant 319Washington 319Ottumwa 641Fort Madison 319Oskaloosa 641Burlington 319Iowa City 319Keokuk 319
How to dial
Dial 641 + 7 digits for a number in Fairfield, or +1 641 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.