| 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 |
|---|---|---|---|
| 712-475 | George | Lyon | Landline |
| 712-282 | Galva | Ida | Landline |
| 712-677 | Vail | Crawford | Landline |
| 712-436 | Cleghorn | Cherokee | Landline |
| 712-824 | Emerson | Mills | Landline |
| 712-297 | Rockwell City | Calhoun | Landline |
| 712-452 | Blencoe | Monona | Landline |
| 712-352 | Council Bluffs | Pottawattamie | Landline |
| 712-252 | Sioux City | Woodbury | Landline |
| 712-383 | Kingsley | Plymouth | Landline |
| 712-855 | Curlew | Palo Alto | Landline |
| 712-384 | Cushing | Woodbury | Landline |
| 712-224 | Sioux City | Woodbury | Landline |
| 712-574 | Sioux City | Woodbury | Wireless |
| 712-625 | Hastings | Mills | Landline |
| 712-947 | Hinton | Plymouth | Landline |
| 712-327 | Red Oak | Montgomery | Wireless |
| 712-424 | Cylinder | Palo Alto | Landline |
| 712-592 | Woodbine | Harrison | Wireless |
| 712-928 | Hartley | Obrien | Landline |