Zip Area Code

Area code 605

Area code 605 is a South Dakota area code, in service since 1947.

Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

It spans more than one time zone: Central Time and Mountain Time.

State
South Dakota
In service since
1947
Local dialing
ten digits; dialing 1 plus ten digits also works
Time zone
Central Time and Mountain Time
ZIP codes
338

Map

Map of the 605 area codeThe shaded area shows where 605 numbers are rated, with the neighboring area codes outlined around it.308406307218507320701402712Sioux FallsRapid CityHighmoreAberdeenSpearfishWinnerKimballWatertown
Approximate 605 coverage, drawn from U.S. Census ZIP code areas and NANPA rate centers. Dashed lines are state borders.

Main cities in area code 605

Overlays and neighboring area codes

Neighboring area codes: 308, 406, 307, 218, 507, 320, 701, 402, 712, 641.

Counties in area code 605

Towns in area code 605

And 476 more towns: every town in South Dakota.

Local numbers in area code 605

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