| 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 |
|---|---|---|---|
| 712-853 | Terril | Dickinson | Landline |
| 712-682 | Ocheyedan | Osceola | Landline |
| 712-447 | Washta | Cherokee | Landline |
| 712-873 | Moville | Woodbury | Landline |
| 712-244 | Sioux City | Woodbury | Landline |
| 712-774 | Cumberland | Cass | Landline |
| 712-363 | Greenville | Clay | Wireless |
| 712-580 | Greenville | Clay | Landline |
| 712-480 | Emmetsburg | Palo Alto | Wireless |
| 712-630 | Sanborn | Obrien | Wireless |
| 712-262 | Greenville | Clay | Landline |
| 712-643 | Dunlap | Harrison | Landline |
| 712-534 | Northboro | Page | Landline |
| 712-650 | Lake View | Sac | Wireless |
| 712-249 | Atlantic | Cass | Wireless |
| 712-204 | Sioux City | Woodbury | Wireless |
| 712-678 | Charter Oak | Crawford | Landline |
| 712-222 | Sioux City | Woodbury | Landline |
| 712-525 | Glenwood | Mills | Landline |
| 712-843 | Albert City | Buena Vista | Landline |