| 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 |
|---|---|---|---|
| 712-353 | Castana | Monona | Landline |
| 712-662 | Sac City | Sac | Landline |
| 712-374 | Sidney | Fremont | Landline |
| 712-302 | Glenwood | Mills | Landline |
| 712-407 | Minden | Pottawattamie | Landline |
| 712-448 | Paullina | Obrien | Landline |
| 712-291 | Storm Lake | Buena Vista | Wireless |
| 712-285 | Sergeant Bluff | Woodbury | Landline |
| 712-664 | Wall Lake | Sac | Landline |
| 712-688 | Auburn | Sac | Landline |
| 712-933 | Royal | Clay | Landline |
| 712-488 | Shelby | Shelby | Landline |
| 712-752 | Hospers | Sioux | Landline |
| 712-273 | Early | Sac | Landline |
| 712-945 | Salix | Woodbury | Landline |
| 712-358 | Havelock | Pocahontas | Wireless |
| 712-348 | Sheldon | Obrien | Wireless |
| 712-335 | Pocahontas | Pocahontas | Landline |
| 712-770 | Carroll | Carroll | Landline |
| 712-234 | Sioux City | Woodbury | Landline |