Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
NATRONA COUNTY,
WYOMING
ZIP Code
Post Office
Date Established
Date Discontinued
82620
ALCOVA
ARMINTO
07/17/1964
82601
CASPER
10/04/1888
82635
EDGERTON
82636
EVANSVILLE
10/19/1923
FREELAND
01/09/1896
09/11/1952
FREELAND
03/23/1889
08/15/1899
HOUCK
03/03/1902
04/14/1906
82643
MIDWEST
82644
MILLS
82646
NATRONA
04/14/1984
82648
POWDER RIVER
Return to Main Menu
