| 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 |
|---|---|---|---|
| 712-930 | Sanborn | Obrien | Landline |
| 712-726 | Doon | Lyon | Landline |
| 712-663 | Westside | Crawford | Landline |
| 712-823 | Sioux City | Woodbury | Landline |
| 712-852 | Emmetsburg | Palo Alto | Landline |
| 712-258 | Sioux City | Woodbury | Landline |
| 712-986 | Larchwood | Lyon | Landline |
| 712-287 | Braddyville | Page | Landline |
| 712-226 | Sioux City | Woodbury | Landline |
| 712-324 | Sheldon | Obrien | Landline |
| 712-775 | Carroll | Carroll | Landline |
| 712-386 | Essex | Page | Landline |
| 712-349 | Harris | Osceola | Landline |
| 712-300 | Ida Grove | Ida | Landline |
| 712-738 | Sheldon | Obrien | Landline |
| 712-675 | Kiron | Crawford | Landline |
| 712-242 | Council Bluffs | Pottawattamie | Landline |
| 712-744 | Harlan | Shelby | Landline |
| 712-886 | Moorhead | Monona | Landline |
| 712-869 | Sheldon | Obrien | Wireless |