Maryland ZIP Codes
Looking for the zip code of Maryland USA? Browse every ZIP code in Maryland by city below — our growing collection of Maryland city pages including Baltimore. Pick a city to see its complete ZIP code list, or use our free tools to look up any address.
Cities in Maryland with ZIP Code Pages
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About Maryland ZIP Codes
Maryland ZIP codes cover every corner of the state — from major metro areas to small towns. Each city page lists every ZIP code in that city, sorted numerically, with county information and answers to common questions. If you are unsure which ZIP code belongs to your street address, our ZIP Code by Address tool finds it instantly.
Frequently Asked Questions
How do I find the ZIP code for a city in Maryland?
Pick the city from the list above to see every ZIP code in that city. For a street address, use our ZIP Code by Address tool.
How many ZIP codes does Maryland have?
Maryland has hundreds of ZIP codes across its cities and towns. The cities listed above show 42 ZIP codes in total — and the list keeps growing.
What is the ZIP+4 code for my Maryland address?
Use our free ZIP+4 Lookup tool — enter your Maryland street address to get the full 9-digit code.
Related ZIP Code Tools
Find the ZIP code for any Maryland street address.
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