Sioux City, IA Area Codes
Sioux City is served by area code 712. It is in Iowa, Woodbury County. About 89,735 people live in its 9 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 712 |
| State / province | Iowa |
| County | Woodbury County |
| Population | 89,735 |
| ZIP codes | 9 |
| Time zone | Central |
| Coordinates | 42.4980, -96.3844 |
What area code is Sioux City in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 712 | Iowa | 552,236 | — |
ZIP codes in the code footprint
51101, 51102, 51103, 51104, 51105, 51106, 51108, 51109, 51111
Nearby towns and their area codes
Le Mars 712Sioux Center 712Denison 712Storm Lake 712Spencer 712Carroll 712Council Bluffs 712Spirit Lake 712
How to dial
Dial 712 + 7 digits for a number in Sioux City, or +1 712 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.