| 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 |
|---|---|---|---|
| 712-472 | Rock Rapids | Lyon | Landline |
| 712-225 | Cherokee | Cherokee | Landline |
| 712-781 | Marne | Cass | Landline |
| 712-679 | Schleswig | Crawford | Landline |
| 712-274 | Sioux City | Woodbury | Landline |
| 712-497 | Brayton | Audubon | Landline |
| 712-566 | Underwood | Pottawattamie | Landline |
| 712-882 | Mapleton | Monona | Landline |
| 712-636 | Nemaha | Sac | Landline |
| 712-250 | Atlantic | Cass | Wireless |
| 712-255 | Sioux City | Woodbury | Landline |
| 712-730 | Storm Lake | Buena Vista | Wireless |
| 712-313 | Sidney | Fremont | Wireless |
| 712-732 | Storm Lake | Buena Vista | Landline |
| 712-623 | Red Oak | Montgomery | Landline |
| 712-868 | Armstrong | Emmet | Landline |
| 712-479 | Little Rock | Lyon | Landline |
| 712-758 | Ocheyedan | Osceola | Landline |
| 712-427 | Bedford | Taylor | Wireless |
| 712-415 | Emmetsburg | Palo Alto | Landline |