ZIP Codes in Baltimore-Columbia-Towson, MD

Baltimore-Columbia-Towson, MD is a Metropolitan Statistical Area designated by the US Census Bureau. This CBSA (Core Based Statistical Area) contains 203 ZIP codes across MD. Each ZIP code is mapped to this CBSA based on the residential and business address ratios from the HUD-USPS ZIP Code Crosswalk data.

The ZIP codes listed below represent areas where the majority of addresses are associated with this CBSA. The Share column indicates the percentage of residential addresses in each ZIP code that fall within this statistical area.

ZIP CodeCityStateShare
20701
20711
20714
20723
20724
20733
20736
20751
20754
20755
20758
20759
20763
20764
20765
20776
20777
20778
20779
20794
20833
21001
21005
21009
21010
21012
21013
21014
21015
21017
21018
21020
21022
21023
21027
21028
21029
21030
21031
21032
21034
21035
21036
21037
21040
21041
21042
21043
21044
21045
21046
21047
21048
21050
21051
21052
21053
21054
21056
21057
21060
21061
21062
21065
21071
21074
21075
21076
21077
21078
21082
21084
21085
21087
21090
21092
21093
21094
21102
21104
21105
21106
21108
21111
21113
21114
21117
21120
21122
21123
21128
21130
21131
21132
21133
21136
21139
21140
21144
21146
21150
21152
21153
21154
21155
21156
21157
21158
21160
21161
21162
21163
21201
21202
21203
21204
21205
21206
21207
21208
21209
21210
21211
21212
21213
21214
21215
21216
21217
21218
21219
21220
21221
21222
21223
21224
21225
21226
21227
21228
21229
21230
21231
21233
21234
21235
21236
21237
21239
21240
21241
21244
21250
21251
21252
21263
21270
21278
21281
21282
21284
21285
21286
21287
21290
21401
21402
21403
21404
21405
21409
21411
21412
21607
21617
21619
21620
21623
21628
21638
21640
21644
21649
21651
21656
21657
21658
21666
21668
21670
21679
21723
21737
21738
21757
21765
21771
21776
21784
21787
21791
21794
21797