Baltimore, MD ZIP Codes
Baltimore, Maryland has 39 ZIP codes: 23 for street addresses (, , , , , and 17 more), 4 for PO boxes and 12 for single organizations.
Each street ZIP belongs to one post office or station. Check your street, or filter the list by post office.
Which Baltimore ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Baltimore ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
PO box and single-organization ZIP codes have no area on the map. Dashed line: Baltimore city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Baltimore ZIP code questions
How many ZIP codes does Baltimore have?
39: 23 for street addresses, 4 for PO boxes and 12 for single organizations (USPS, October 2026).
What is the main ZIP code for Baltimore?
21233, the ZIP code of the main Baltimore post office at 900 E Fayette St Rm 118.
How do I find the full ZIP+4 code for my address?
The last four digits come from the Postal Service and are not on this site. Its ZIP Code lookup by address on usps.com gives all nine.
ZIP codes for towns near Baltimore
Dundalk, MD2 ZIP codes: 21222, 21224 · 6 milesTowson, MD6 ZIP codes: 21204, 21212, 21286 and more · 7 milesParkville, MD1 ZIP code: 21234 · 7 milesWoodlawn, MD3 ZIP codes: 21207, 21228, 21244 · 7 milesCatonsville, MD2 ZIP codes: 21228 and more · 7 milesPikesville, MD3 ZIP codes: 21208, 21209 and more · 8 miles More towns near Baltimore: Essex, Milford Mill, Glen Burnie, Middle River, Pasadena, Randallstown, Ellicott City, Owings Mills, Severn.