| 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 |
|---|---|---|---|
| 712-454 | Sioux City | Woodbury | Landline |
| 712-248 | Carter Lake | Pottawattamie | Landline |
| 712-607 | Walnut | Pottawattamie | Wireless |
| 712-963 | Rock Rapids | Lyon | Landline |
| 712-473 | Alvord | Lyon | Landline |
| 712-286 | Rembrandt | Buena Vista | Landline |
| 712-560 | Sioux City | Woodbury | Landline |
| 712-329 | Council Bluffs | Pottawattamie | Landline |
| 712-341 | Sheldon | Obrien | Wireless |
| 712-746 | Larchwood | Lyon | Landline |
| 712-464 | Lake City | Calhoun | Landline |
| 712-333 | Sioux City | Woodbury | Wireless |
| 712-240 | Greenville | Clay | Wireless |
| 712-826 | Villisca | Montgomery | Landline |
| 712-583 | Coin | Page | Landline |
| 712-571 | Earling | Shelby | Wireless |
| 712-934 | Sergeant Bluff | Woodbury | Landline |
| 712-368 | Holstein | Ida | Landline |
| 712-992 | Logan | Harrison | Landline |
| 712-467 | Sidney | Fremont | Landline |