Postmaster Finder
Post Offices by County

HOWARD COUNTY,

MARYLAND

ZIP Code	Post Office	Date Established	Date Discontinued

20701	ANNAPOLIS JUNCTION
21029	CLARKSVILLE
21045	COLUMBIA	08/29/1977
21723	COOKSVILLE		09/28/2002
21036	DAYTON	07/21/1864
	ELKRIDGE	10/12/1825	01/17/1896
21043	ELLICOTT CITY
20759	FULTON	12/29/1874
21737	GLENELG
21738	GLENWOOD
20777	HIGHLAND	12/29/1874
21083	ILCHESTER
21765	LISBON
	MARRIOTTSVILLE	02/20/1832	04/30/1964
20763	SAVAGE
21150	SIMPSONVILLE
21794	WEST FRIENDSHIP
21163	WOODSTOCK

Postmaster FinderPost Offices by County