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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

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