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Post Offices by County

WARREN COUNTY, ILLINOIS

ZIP Code Post Office Date Established Date Discontinued
61412 ALEXIS 01/22/1872
61417 BERWICK 10/19/1840
61423 CAMERON 04/13/1837
61435 GERLAW 08/28/2010
61447 KIRKWOOD
61453 LITTLE YORK 02/15/1840
61462 MONMOUTH
61473 ROSEVILLE 03/02/1838
61478 SMITHSHIRE

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