Active Prefixes in Area Code 605
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 605-233-#### | Clark | Wireless Numbers | New Cingular Wireles... |
| 605-234-#### | Chamberlain | Landline Numbers | Midstate Telecom, In... |
| 605-235-#### | North Sioux City | Landline Numbers | Qwest Corporation... |
| 605-236-#### | Mount Vernon | Landline Numbers | Santel Communication... |
| 605-237-#### | Watertown | Wireless Numbers | Cellco Partnership D... |
| 605-238-#### | Viborg | Landline Numbers | Knology Community Te... |
| 605-239-#### | Alexandria | Landline Numbers | Mccook Cooperative T... |
| 605-240-#### | Salem | Wireless Numbers | New Cingular Wireles... |
| 605-241-#### | Sioux Falls | Landline Numbers | South Dakota Network... |
| 605-242-#### | North Sioux City | Landline Numbers | Long Lines Metro, Ll... |
| 605-243-#### | Stickney | Landline Numbers | Midstate Communicati... |
| 605-244-#### | Bison | Landline Numbers | West River Cooperati... |
| 605-245-#### | Lower Brule | Landline Numbers | Midstate Communicati... |
| 605-246-#### | Spencer | Landline Numbers | Mccook Cooperative T... |
| 605-247-#### | Salem | Landline Numbers | Mccook Cooperative T... |
| 605-248-#### | Letcher | Landline Numbers | Santel Communication... |
| 605-249-#### | White Lake | Landline Numbers | Midstate Communicati... |
| 605-251-#### | Sioux Falls | Wireless Numbers | New Cingular Wireles... |
| 605-252-#### | Aberdeen | Landline Numbers | At&t Local... |
| 605-253-#### | Alcester | Landline Numbers | Knology Community Te... |
| 605-254-#### | Sioux Falls | Landline Numbers | At&t Local... |
| 605-255-#### | Hermosa | Landline Numbers | Fort Randall Telco D... |
| 605-256-#### | Madison | Landline Numbers | Qwest Corporation... |
| 605-257-#### | Nisland | Landline Numbers | West River Cooperati... |
| 605-258-#### | Onida | Landline Numbers | Venture Communicatio... |
| 605-259-#### | White River | Landline Numbers | Golden West Tel Coop... |
| 605-260-#### | Yankton | Landline Numbers | Knology Of The Plain... |
| 605-261-#### | Sioux Falls | Wireless Numbers | Cellco Partnership D... |
| 605-262-#### | Aberdeen | Landline Numbers | Midcontinent Communi... |
| 605-263-#### | Irene | Landline Numbers | Knology Community Te... |
Area Code 605 Introduction
| Area Code: | 605 |
| Country: | United States |
| State/Province: | South Dakota - SD |
| Major City: | Sioux Falls |
| Time Zone: | Central / Mountain |
| Average property | $160K |
| Average age | 55 y/o |
| Average assets | $59.1K |
| Population density | 78,116 sq mi (199,729 km2) |
| Population | 865,454 |
| latitude Longitude: | |
| 42° 29′ N to 45° 56′ N / 96° 26′ W to 104° 03′ W | |
| About 605 : | |
| The 605 Area Code (or Area Code 605) is located in the state of SD. Area Code 605 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 950 thousand unique phone numbers and 3.1 million individuals near the city of Dupree |
|
| Major cities or places | |
| Pierre, SD>Rapid City, SD>Sioux Falls, SD>Watertown, SD | |