State / postal region / MD

Maryland

ZIP codes: 605
Postal place names: 431
County associations: 24

Last successful directory check: 2026-11-10

Record last changed

Record last changed: 2026-11-08T06:21:31Z

A successful check does not mean every record changed. Unchanged records keep their previous modification date. Times use UTC.

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ZIP directory

Page 5 / 11

ZIP	City	County association	View all
21029	Clarksville	Howard	↗
21030	Cockeysville	Baltimore	↗
21031	Hunt Valley	Baltimore	↗
21032	Crownsville	Anne Arundel	↗
21034	Darlington	Harford	↗
21035	Davidsonville	Anne Arundel	↗
21036	Dayton	Howard	↗
21037	Edgewater	Anne Arundel	↗
21040	Edgewood	Harford	↗
21041	Ellicott City	Howard	↗
21042	Ellicott City	Howard	↗
21043	Ellicott City	Howard	↗
21044	Columbia	Howard	↗
21045	Columbia	Howard	↗
21046	Columbia	Howard	↗
21047	Fallston	Harford	↗
21048	Finksburg	Carroll	↗
21050	Forest Hill	Harford	↗
21051	Fork	Baltimore	↗
21052	Fort Howard	Baltimore	↗
21053	Freeland	Baltimore	↗
21054	Gambrills	Anne Arundel	↗
21056	Gibson Island	Anne Arundel	↗
21057	Glen Arm	Baltimore	↗
21060	Glen Burnie	Anne Arundel	↗
21061	Glen Burnie	Anne Arundel	↗
21062	Glen Burnie	Anne Arundel	↗
21065	Hunt Valley	Baltimore	↗
21071	Glyndon	Baltimore	↗
21074	Hampstead	Carroll	↗
21075	Elkridge	Howard	↗
21076	Hanover	Anne Arundel	↗
21077	Harmans	Anne Arundel	↗
21078	Havre De Grace	Harford	↗
21082	Hydes	Baltimore	↗
21084	Jarrettsville	Harford	↗
21085	Joppa	Harford	↗
21087	Kingsville	Baltimore	↗
21088	Lineboro	Carroll	↗
21090	Linthicum Heights	Anne Arundel	↗
21092	Long Green	Baltimore	↗
21093	Lutherville Timonium	Baltimore	↗
21094	Lutherville Timonium	Baltimore	↗
21102	Manchester	Carroll	↗
21104	Marriottsville	Carroll	↗
21105	Maryland Line	Baltimore	↗
21106	Mayo	Anne Arundel	↗
21108	Millersville	Anne Arundel	↗
21111	Monkton	Baltimore	↗
21113	Odenton	Anne Arundel	↗
21114	Crofton	Anne Arundel	↗
21117	Owings Mills	Baltimore	↗
21120	Parkton	Baltimore	↗
21122	Pasadena	Anne Arundel	↗
21123	Pasadena	Anne Arundel	↗
21128	Perry Hall	Baltimore	↗
21130	Perryman	Harford	↗
21131	Phoenix	Baltimore	↗
21132	Pylesville	Harford	↗
21133	Randallstown	Baltimore	↗

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ZIP codes organize mail delivery, not administrative boundaries. A code can have several city or county associations. Coordinates are approximate; verify delivery addresses with your carrier. Read the guide ↗