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Post Offices by County

POLK COUNTY, MINNESOTA

ZIP Code Post Office Date Established Date Discontinued
56712 ANGUS 03/31/1992
56517 BELTRAMI
56523 CLIMAX
56716 CROOKSTON 09/09/1872
56721 EAST GRAND FORKS
ELDRED 06/21/1897 01/31/1968
56535 ERSKINE 09/28/1889
56722 EUCLID
56540 FERTILE 01/26/1881
56723 FISHER
56542 FOSSTON
56646 GULLY 07/27/1896
56651 LENGBY 10/08/1890
MALLORY 06/21/1880 10/14/1916
56556 MC INTOSH 10/14/1884
56736 MENTOR 02/20/1882
56568 NIELSVILLE 01/04/1883
56684 TRAIL 11/19/2011
56592 WINGER

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