Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
CUSTER COUNTY,
IDAHO
ZIP Code
Post Office
Date Established
Date Discontinued
83226
CHALLIS
83227
CLAYTON
83235
ELLIS
83242
GROUSE
83251
MACKAY
83253
MAY
03/09/2013
83278
STANLEY
06/23/1892
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