AREA CODE
Area Code 605: South Dakota
StateSouth Dakota
CitiesSioux Falls, Rapid City, Aberdeen
TimezoneCentral
605
South Dakota
605 is the only area code in South Dakota. Browse all states
WHAT YOU NEED TO KNOW
South Dakota has one area code: 605. Area code 605 covers all of South Dakota. The region operates on Central Time.
Frequently asked questions about area code 605
Area code 605 is in South Dakota. Numbers that start with 605 are based in Sioux Falls, Rapid City, Aberdeen.
Area code 605 covers all of South Dakota. The primary cities served include Sioux Falls, Rapid City, Aberdeen.
Area code 605 is primarily associated with Sioux Falls, along with Rapid City, Aberdeen. It serves the broader South Dakota area.
Area code 605 is in South Dakota (SD). South Dakota has 1 area code in total.
Area code 605 operates in the Central Time Zone. Keep this in mind when scheduling calls with contacts in the South Dakota area.
South Dakota has one area code: 605. It covers the entire state, and every phone number in South Dakota uses it.
No, area code 605 is the primary area code for all of South Dakota. It is not an overlay code.
For calls from outside South Dakota, always dial the full 10-digit number. For local calls within South Dakota, requirements may vary by carrier, check with your provider.
No, area code 605 is a local geographic area code, not a toll-free number. Standard call charges apply based on your carrier plan. Toll-free area codes include 800, 833, 844, 855, 866, 877, and 888.
Businesses can get a local 605 phone number through Convirza's call tracking platform. A 605 number lets you track inbound calls from South Dakota, measure marketing ROI, and analyze conversation data to improve sales performance. Get started with $20 in credits, no credit card required.
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