US United States Major Regions Postal Code Details

๐Ÿ›๏ธ Baltimore ยท Maryland
21227
Arbutus
Arbutus baltimore maryland 21227 United States
21013
Baldwin
Baldwin baltimore maryland 21013 United States
21250
Baltimore
Baltimore baltimore maryland 21250 United States
21120
Bentley Springs
Bentley Springs baltimore maryland 21120 United States
21020
Boring
Boring baltimore maryland 21020 United States
21087
Bradshaw
Bradshaw baltimore maryland 21087 United States
21022
Brooklandville
Brooklandville baltimore maryland 21022 United States
21023
Butler
Butler baltimore maryland 21023 United States
21228
Catonsville
Catonsville baltimore maryland 21228 United States
21027
Chase
Chase baltimore maryland 21027 United States
21030
Cockeysville
Cockeysville baltimore maryland 21030 United States
21065
Cockys Ht Vly
Cockys Ht Vly baltimore maryland 21065 United States
21222
Dundalk
Dundalk baltimore maryland 21222 United States
21219
Edgemere
Edgemere baltimore maryland 21219 United States
21221
Essex
Essex baltimore maryland 21221 United States
21204
Eudowood
Eudowood baltimore maryland 21204 United States
21051
Fork
Fork baltimore maryland 21051 United States
21052
Fort Howard
Fort Howard baltimore maryland 21052 United States
21155
Fowbelsburg
Fowbelsburg baltimore maryland 21155 United States
21133
Foxridge
Foxridge baltimore maryland 21133 United States
21053
Freeland
Freeland baltimore maryland 21053 United States
21117
Garrison
Garrison baltimore maryland 21117 United States
21057
Glen Arm
Glen Arm baltimore maryland 21057 United States
21152
Glencoe
Glencoe baltimore maryland 21152 United States
21071
Glyndon
Glyndon baltimore maryland 21071 United States
21207
Gwynn Oak
Gwynn Oak baltimore maryland 21207 United States
21227
Halethorpe
Halethorpe baltimore maryland 21227 United States
21111
Hereford
Hereford baltimore maryland 21111 United States
21065
Hunt Valley
Hunt Valley baltimore maryland 21065 United States
21065
Huntvalley
Huntvalley baltimore maryland 21065 United States
21082
Hydes
Hydes baltimore maryland 21082 United States
21131
Jacksonville
Jacksonville baltimore maryland 21131 United States
21087
Kingsville
Kingsville baltimore maryland 21087 United States
21227
Lansdowne
Lansdowne baltimore maryland 21227 United States
21286
Loch Raven
Loch Raven baltimore maryland 21286 United States
21092
Long Green
Long Green baltimore maryland 21092 United States
21093
Lutherville
Lutherville baltimore maryland 21093 United States
21093
Lutherville Timonium
Lutherville Timonium baltimore maryland 21093 United States
21105
Maryland Line
Maryland Line baltimore maryland 21105 United States
21133
McDonogh Run
McDonogh Run baltimore maryland 21133 United States
21220
Middle River
Middle River baltimore maryland 21220 United States
21111
Monkton
Monkton baltimore maryland 21111 United States
21236
Nottingham
Nottingham baltimore maryland 21236 United States
21117
Owings Mills
Owings Mills baltimore maryland 21117 United States
21120
Parkton
Parkton baltimore maryland 21120 United States
21234
Parkville
Parkville baltimore maryland 21234 United States
21065
PDP Group Inc
PDP Group Inc baltimore maryland 21065 United States
21128
Perry Hall
Perry Hall baltimore maryland 21128 United States
21131
Phoenix
Phoenix baltimore maryland 21131 United States
21282
Pikesville
Pikesville baltimore maryland 21282 United States
21133
Randallstown
Randallstown baltimore maryland 21133 United States
21136
Reisterstown
Reisterstown baltimore maryland 21136 United States
21139
Riderwood
Riderwood baltimore maryland 21139 United States
21237
Rosedale
Rosedale baltimore maryland 21237 United States
21204
Ruxton
Ruxton baltimore maryland 21204 United States
21152
Sparks
Sparks baltimore maryland 21152 United States
21152
Sparks Glencoe
Sparks Glencoe baltimore maryland 21152 United States
21219
Sparrows Point
Sparrows Point baltimore maryland 21219 United States
21153
Stevenson
Stevenson baltimore maryland 21153 United States
21094
Timonium
Timonium baltimore maryland 21094 United States
21252
Towson
Towson baltimore maryland 21252 United States
21252
Towson State University
Towson State University baltimore maryland 21252 United States
21250
Univ Of MD Baltimore County
Univ of MD Baltimore County baltimore maryland 21250 United States
21156
Upper Falls
Upper Falls baltimore maryland 21156 United States
21155
Upperco
Upperco baltimore maryland 21155 United States
21162
White Marsh
White Marsh baltimore maryland 21162 United States
21244
Windsor Mill
Windsor Mill baltimore maryland 21244 United States
21207
Woodlawn
Woodlawn baltimore maryland 21207 United States

๐Ÿ“ฎUS United States Regional Postal Code FAQ & Postal Regulations

๐Ÿ“ฎ What is the format of a US ZIP code?

Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.

๐Ÿ” How to find the ZIP code for an address?

Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.

โš ๏ธ What happens if I use a wrong ZIP code?

Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.

๐Ÿ”„ Do ZIP codes ever change?

Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.

๐Ÿ“ฆ Is a ZIP code required for international mail to the US?

Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).

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๐Ÿ“ฎ Popular United States Postal Codes