| General Information about Area Code 712 | |
|---|---|
| Country | United States |
| State / Province / Territory | Iowa |
| Major City | Sioux City |
| Time Zone | Central (UTC-06:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 712-445 | Quimby | Cherokee | Landline |
| 712-238 | Sioux City | Woodbury | Landline |
| 712-725 | Boyden | Sioux | Landline |
| 712-881 | Mapleton | Monona | Landline |
| 712-235 | Harlan | Shelby | Landline |
| 712-289 | Marathon | Buena Vista | Landline |
| 712-458 | Whiting | Monona | Landline |
| 712-435 | Council Bluffs | Pottawattamie | Wireless |
| 712-450 | Laurens | Pocahontas | Wireless |
| 712-837 | Ruthven | Palo Alto | Landline |
| 712-490 | Sioux City | Woodbury | Wireless |
| 712-307 | Avoca | Pottawattamie | Wireless |
| 712-522 | Sioux City | Woodbury | Wireless |
| 712-946 | Salix | Woodbury | Landline |
| 712-631 | Sheldon | Obrien | Landline |
| 712-899 | Sioux City | Woodbury | Wireless |
| 712-834 | Everly | Clay | Landline |
| 712-857 | Rolfe | Pocahontas | Landline |
| 712-778 | Griswold | Cass | Landline |
| 712-459 | Hartley | Obrien | Landline |