ZIP Codes Box

Harper County, Oklahoma ZIP codes

4ZIP codes
4Cities and towns
3,463People in ZIP areas
580, 620, 806Area codes

Harper County is in Oklahoma 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 Harper County

ZIP codeCityTypePopulationMedian income
73834BuffaloStandard1,544$72,500
73848LaverneStandard1,555$57,619
73851MayStandard111$60,662
73855RosstonStandard253$63,333

Cities and towns in Harper County

Area codes in Harper County

Questions

How many ZIP codes are in Harper County, OK?
Harper County has 4 ZIP codes.
What cities are in Harper County?
Harper County ZIP codes cover Buffalo, Laverne, May and Rosston.
What area code is Harper County, OK?
Harper County uses area codes 580, 620 and 806.
What time zone is Harper County in?
Harper County is in Central Time.

Other Oklahoma counties