| 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 |
|---|---|---|---|
| 712-723 | Archer | Obrien | Landline |
| 712-426 | Ayrshire | Palo Alto | Landline |
| 712-827 | Oto | Woodbury | Landline |
| 712-585 | New Market | Taylor | Landline |
| 712-724 | Ashton | Osceola | Landline |
| 712-845 | Laurens | Pocahontas | Landline |
| 712-298 | Sioux City | Woodbury | Wireless |
| 712-210 | Glidden | Carroll | Wireless |
| 712-395 | Orange City | Sioux | Wireless |
| 712-668 | Odebolt | Sac | Landline |
| 712-434 | Aurelia | Cherokee | Landline |
| 712-676 | Schleswig | Crawford | Landline |
| 712-797 | Wall Lake | Sac | Wireless |
| 712-885 | Ute | Monona | Landline |
| 712-635 | Sioux City | Woodbury | Wireless |
| 712-223 | Sioux City | Woodbury | Wireless |
| 712-763 | Elliott | Montgomery | Landline |
| 712-674 | Dow City | Crawford | Landline |
| 712-578 | Hull | Sioux | Wireless |
| 712-728 | Hartley | Obrien | Landline |