ZIP Codes Box

Natrona County, Wyoming ZIP codes

14ZIP codes
10Cities and towns
79,937People in ZIP areas
307Area code

Natrona County is in Wyoming and the Mountain 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 Natrona County

ZIP codeCityTypePopulationMedian income
82601CasperStandard26,721$67,642
82602CasperPO Box only––
82604CasperStandard27,487$79,118
82605CasperPO Box only––
82609CasperStandard18,714$71,010
82620AlcovaStandard164–
82630ArmintoStandard––
82635EdgertonPO Box only87$34,886
82636EvansvilleStandard4,259$86,638
82638HilandStandard116–
82643MidwestStandard267$77,800
82644MillsPO Box only2,098$53,750
82646NatronaStandard––
82648Powder RiverPO Box only24–

Cities and towns in Natrona County

Area codes in Natrona County

Questions

How many ZIP codes are in Natrona County, WY?
Natrona County has 14 ZIP codes, 9 of them standard ZIP codes for street addresses.
What cities are in Natrona County?
Natrona County ZIP codes cover Casper, Alcova, Arminto, Edgerton, Evansville, Hiland, Midwest and Mills and 2 other places.
What area code is Natrona County, WY?
Natrona County uses area code 307.
What time zone is Natrona County in?
Natrona County is in Mountain Time.

Other Wyoming counties