(605) 256
Prefix in MADISON, South Dakota
Prefix Details
| Area Code | 605 |
| Prefix | 256 |
| Full Number Pattern | (605) 256-XXXX |
| Rate Center | MADISON |
| State | South Dakota |
| Operating Company | QWEST CORPORATION |
| Time Zone | Central / Mountain |
About the (605) 256 Prefix
The (605) 256 prefix is assigned to QWEST CORPORATION and serves the MADISON rate center in South Dakota. Phone numbers with this prefix are in the Central / Mountain Time Zone and are part of area code 605 which covers Sioux Falls and surrounding areas.