Active Prefixes in Area Code 605
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 605-397-#### | Groton | Landline Numbers | James Valley Coopera... |
| 605-398-#### | Summit | Landline Numbers | Rc Communications, I... |
| 605-399-#### | Rapid City | Landline Numbers | Qwest Corporation... |
| 605-400-#### | Sioux Falls | Wireless Numbers | Long Lines Wireless,... |
| 605-407-#### | Martin | Wireless Numbers | New Cingular Wireles... |
| 605-408-#### | Harrisburg | Wireless Numbers | New Cingular Wireles... |
| 605-412-#### | Huron | Wireless Numbers | New Cingular Wireles... |
| 605-413-#### | Sioux Falls | Landline Numbers | Level 3 Communicatio... |
| 605-414-#### | Castlewood | Landline Numbers | Mcc Telephony Of The... |
| 605-415-#### | Rapid City | Landline Numbers | Level 3 Communicatio... |
| 605-421-#### | Salem | Wireless Numbers | Cellco Partnership D... |
| 605-422-#### | North Sioux City | Landline Numbers | Long Lines Metro, Ll... |
| 605-423-#### | Sturgis | Landline Numbers | Qwest Corporation... |
| 605-424-#### | Oral | Landline Numbers | Golden West Tel Coop... |
| 605-425-#### | Salem | Landline Numbers | Mccook Cooperative T... |
| 605-426-#### | Ipswich | Landline Numbers | Valley Telecom Coope... |
| 605-427-#### | Madison | Landline Numbers | Knology Of The Plain... |
| 605-428-#### | Dell Rapids | Wireless Numbers | Sioux Valley Tel Dba... |
| 605-429-#### | Saint Francis | Landline Numbers | Great Plains Communi... |
| 605-430-#### | Rapid City | Wireless Numbers | Cellco Partnership D... |
| 605-431-#### | Rapid City | Wireless Numbers | Cellco Partnership D... |
| 605-432-#### | Milbank | Landline Numbers | Qwest Corporation... |
| 605-433-#### | Scenic | Landline Numbers | Golden West Tel Coop... |
| 605-434-#### | Milbank | Landline Numbers | Rc Communications, I... |
| 605-435-#### | Waubay | Landline Numbers | Midcontinent Communi... |
| 605-436-#### | Seneca | Landline Numbers | Venture Communicatio... |
| 605-437-#### | Herreid | Landline Numbers | Valley Telecom Coope... |
| 605-438-#### | Milbank | Landline Numbers | Sstelecom, Inc. - Sd... |
| 605-439-#### | Ipswich | Landline Numbers | Valley Telecom Coope... |
| 605-440-#### | Custer | Wireless Numbers | New Cingular Wireles... |
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 | |