ZIP Codes Box

Grundy County, Iowa ZIP codes

9ZIP codes
9Cities and towns
11,663People in ZIP areas
319, 641Area codes

Grundy 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 Grundy County

ZIP codeCityTypePopulationMedian income
50609BeamanStandard377$90,250
50621ConradStandard1,601$88,077
50624DikeStandard1,855$96,713
50638Grundy CenterStandard3,441$85,223
50642HollandStandard577$108,750
50657MorrisonStandard96$66,250
50669ReinbeckStandard2,439$81,650
50673StoutPO Box only250$66,875
50680WellsburgStandard1,027$75,956

Cities and towns in Grundy County

Area codes in Grundy County

Questions

How many ZIP codes are in Grundy County, IA?
Grundy County has 9 ZIP codes, 8 of them standard ZIP codes for street addresses.
What cities are in Grundy County?
Grundy County ZIP codes cover Beaman, Conrad, Dike, Grundy Center, Holland, Morrison, Reinbeck and Stout and 1 other places.
What area code is Grundy County, IA?
Grundy County uses area codes 319 and 641.
What time zone is Grundy County in?
Grundy County is in Central Time.

Other Iowa counties