ZIP Codes Box

O'Brien County, Iowa ZIP codes

8ZIP codes
8Cities and towns
14,685People in ZIP areas
712Area code

O'Brien County is in Iowa 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 O'Brien County

ZIP codeCityTypePopulationMedian income
51009CalumetPO Box only113$58,750
51046PaullinaStandard1,326$84,125
51058SutherlandStandard1,096$63,036
51201SheldonStandard6,430$68,799
51231ArcherStandard562$108,058
51245PrimgharStandard1,377$69,531
51248SanbornStandard1,534$64,375
51346HartleyStandard2,247$72,426

Cities and towns in O'Brien County

Area codes in O'Brien County

Questions

How many ZIP codes are in O'Brien County, IA?
O'Brien County has 8 ZIP codes, 7 of them standard ZIP codes for street addresses.
What cities are in O'Brien County?
O'Brien County ZIP codes cover Archer, Calumet, Hartley, Paullina, Primghar, Sanborn, Sheldon and Sutherland.
What area code is O'Brien County, IA?
O'Brien County uses area code 712.
What time zone is O'Brien County in?
O'Brien County is in Central Time.

Other Iowa counties