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Post Offices by County

HARFORD COUNTY, MARYLAND

ZIP Code Post Office Date Established Date Discontinued
21001 ABERDEEN 07/13/1822
21005 ABERDEEN PROVING GROUND 05/24/1918
21009 ABINGDON 01/15/1830
21014 BEL AIR 11/00/1794
21017 BELCAMP
21018 BENSON 11/30/1883
BUSH RIVER 10/06/1884 12/15/1915
21024 CARDIFF 10/11/1997
21028 CHURCHVILLE
CRESWELL 03/13/1856 07/15/1910
21034 DARLINGTON
21040 EDGEWOOD 07/09/1866
21010 EDGEWOOD ARSENAL 06/18/1926 02/03/1973
21047 FALLSTON 11/19/1845
21050 FOREST HILL 04/05/1848
HARFORD 07/26/1775 05/28/1832
HARFORD FURNACE 04/25/1872 02/28/1910
21078 HAVRE DE GRACE 08/19/1777
21084 JARRETTSVILLE 01/10/1826
21085 JOPPA 04/16/1880
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 12/09/1885
21160 WHITEFORD

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