Postmaster Finder
Postal History
Research Sources

Postmaster Finder

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