ZIP Codes in Maryland
Browse ZIP codes in Maryland, including city, county, area code, population, income, and timezone. This state page is designed to help you move between ZIP lookups, area code lookups, and geographic browsing.
State
Maryland
MD
ZIP codes
605
Area codes
2
21234
Parkville, MD
Area
410
Pop.
69,893
20906
Silver Spring, MD
Area
301
Pop.
67,387
20878
Gaithersburg, MD
Area
301
Pop.
63,474
21215
Baltimore, MD
Area
410
Pop.
63,448
21122
Pasadena, MD
Area
410
Pop.
60,968
21740
Hagerstown, MD
Area
301
Pop.
60,616
20874
Germantown, MD
Area
301
Pop.
58,537
21117
Owings Mills, MD
Area
410
Pop.
56,894
20904
Silver Spring, MD
Area
301
Pop.
55,688
21222
Dundalk, MD
Area
410
Pop.
54,523
21061
Glen Burnie, MD
Area
410
Pop.
53,491
20744
Fort Washington, MD
Area
301
Pop.
50,632
21206
Baltimore, MD
Area
410
Pop.
50,182
21207
Gwynn Oak, MD
Area
410
Pop.
50,107
20854
Potomac, MD
Area
301
Pop.
49,759
21218
Baltimore, MD
Area
410
Pop.
49,552
21224
Baltimore, MD
Area
410
Pop.
49,552
20902
Silver Spring, MD
Area
301
Pop.
49,074
21228
Catonsville, MD
Area
410
Pop.
48,483
20783
Hyattsville, MD
Area
301
Pop.
47,331
20850
Rockville, MD
Area
301
Pop.
46,629
21229
Baltimore, MD
Area
410
Pop.
44,470
20772
Upper Marlboro, MD
Area
301
Pop.
43,749
21502
Cumberland, MD
Area
301
Pop.
43,422
21921
Elkton, MD
Area
410
Pop.
43,383
20774
Upper Marlboro, MD
Area
301
Pop.
42,874
21043
Ellicott City, MD
Area
410
Pop.
42,415
20852
Rockville, MD
Area
301
Pop.
42,364
21044
Columbia, MD
Area
410
Pop.
41,906
21217
Baltimore, MD
Area
410
Pop.
40,443
21221
Essex, MD
Area
410
Pop.
40,407
21045
Columbia, MD
Area
410
Pop.
40,365
21220
Middle River, MD
Area
410
Pop.
39,816
21784
Sykesville, MD
Area
410
Pop.
39,259
20910
Silver Spring, MD
Area
301
Pop.
39,252
21042
Ellicott City, MD
Area
301
Pop.
39,243
20747
District Heights, MD
Area
301
Pop.
38,415
20748
Temple Hills, MD
Area
301
Pop.
38,371
21236
Nottingham, MD
Area
410
Pop.
38,166
20706
Lanham, MD
Area
301
Pop.
38,161
21804
Salisbury, MD
Area
410
Pop.
38,081
21244
Windsor Mill, MD
Area
410
Pop.
37,742
21157
Westminster, MD
Area
410
Pop.
37,650
20743
Capitol Heights, MD
Area
301
Pop.
37,626
21702
Frederick, MD
Area
301
Pop.
37,601
21093
Lutherville Timonium, MD
Area
410
Pop.
36,945
21401
Annapolis, MD
Area
410
Pop.
36,938
20735
Clinton, MD
Area
301
Pop.
36,505
About ZIP codes in Maryland
ZIP codes in Maryland can be used to browse local cities, counties, area codes, and population data. This page is a state-level directory for postal lookup and serves as a strong internal hub for deeper ZIP and area code pages.