Postmaster Finder
Post Offices by County

HARFORD COUNTY,

MARYLAND

ZIP Code	Post Office	Date Established	Date Discontinued

21001	ABERDEEN	07/13/1822
21005	ABERDEEN PROVING GROUND
21009	ABINGDON	01/15/1830
21014	BEL AIR	11/00/1794
21017	BELCAMP
21018	BENSON
21024	CARDIFF		10/11/1997
21028	CHURCHVILLE
21034	DARLINGTON
21040	EDGEWOOD	07/09/1866
21047	FALLSTON	11/19/1845
21050	FOREST HILL	04/05/1848
21078	HAVRE DE GRACE	07/00/1789
21084	JARRETTSVILLE	01/10/1826
21085	JOPPA
	LUDWIG	10/22/1890	05/29/1893
21101	MAGNOLIA	04/01/1840	03/19/1994
21130	PERRYMAN	03/16/1838
21132	PYLESVILLE	02/26/1850
21154	STREET
21160	WHITEFORD

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