ZIP Codes Box

Grant County, South Dakota ZIP codes

9ZIP codes
9Cities and towns
8,121People in ZIP areas
320, 605Area codes

Grant County is in South Dakota and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Grant County

ZIP codeCityTypePopulationMedian income
57216Big Stone CityStandard1,584$88,203
57246LaboltStandard132$72,917
57251MarvinStandard228$72,292
57252MilbankStandard4,883$70,479
57256OrtleyStandard238$66,500
57259RevilloStandard477$80,250
57264StockholmStandard191$79,583
57265StrandburgStandard202$69,519
57269Twin BrooksStandard186$98,333

Cities and towns in Grant County

Area codes in Grant County

Questions

How many ZIP codes are in Grant County, SD?
Grant County has 9 ZIP codes.
What cities are in Grant County?
Grant County ZIP codes cover Big Stone City, Labolt, Marvin, Milbank, Ortley, Revillo, Stockholm and Strandburg and 1 other places.
What area code is Grant County, SD?
Grant County uses area codes 320 and 605.
What time zone is Grant County in?
Grant County is in Central Time.

Other South Dakota counties