US location post office
Baltimore, Maryland ZIP Codes
| ZIP Code | Type | City | County | County Code |
|---|---|---|---|---|
| 21201 | Standard | Baltimore | Baltimore | 24510 |
| 21202 | Standard | Baltimore | Baltimore | 24510 |
| 21205 | Standard | Baltimore | Baltimore | 24510 |
| 21206 | Standard | Baltimore | Baltimore | 24510 |
| 21209 | Standard | Baltimore | Baltimore | 24005 |
| 21210 | Standard | Baltimore | Baltimore | 24510 |
| 21211 | Standard | Baltimore | Baltimore | 24510 |
| 21212 | Standard | Baltimore | Baltimore | 24510 |
| 21213 | Standard | Baltimore | Baltimore | 24510 |
| 21214 | Standard | Baltimore | Baltimore | 24510 |
| 21215 | Standard | Baltimore | Baltimore | 24510 |
| 21216 | Standard | Baltimore | Baltimore | 24510 |
| 21217 | Standard | Baltimore | Baltimore | 24510 |
| 21218 | Standard | Baltimore | Baltimore | 24510 |
| 21223 | Standard | Baltimore | Baltimore | 24510 |
| 21224 | Standard | Baltimore | Baltimore | 24510 |
| 21229 | Standard | Baltimore | Baltimore | 24510 |
| 21230 | Standard | Baltimore | Baltimore | 24510 |
| 21231 | Standard | Baltimore | Baltimore | 24510 |
| 21239 | Standard | Baltimore | Baltimore | 24510 |
| 21240 | Standard | Baltimore | Anne Arundel | 24003 |
| 21250 | Unique | Baltimore | Baltimore | 24005 |
| 21251 | Unique | Baltimore | Baltimore | 24510 |
Maryland Cities & Towns
- Silver Spring(7)
- Frederick(5)
- Gaithersburg(5)
- Hyattsville(5)
- Annapolis(5)
- Rockville(4)
- Laurel(4)
- Bowie(4)
- Salisbury(3)
- Columbia(3)
- Towson(3)
- Waldorf(3)
- Hagerstown(3)
- Bethesda(3)
- College Park(2)
- Germantown(2)
- Upper Marlboro(2)
- Ellicott City(2)
- Bel Air(2)
- Glen Burnie(2)
- Westminster(2)
- Westover(2)
- Easton(1)
- Newark(1)
- Big Pool(1)
- Ridgely(1)
- Grasonville(1)
- Clinton(1)
- Lutherville Timonium(1)
- Upper Falls(1)
- Parkville(1)
- Finksburg(1)
- Bryans Road(1)
- Hillsboro(1)
- Severna Park(1)
- White Marsh(1)
- Dameron(1)
- Millersville(1)
- Arnold(1)
- Port Republic(1)
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