There are 34 United States Postal Service post boxes available to the public in zip code 21230. For additional collection boxes in neighboring communities, see the list of post boxes in Maryland.

Are you looking for a post office? See the list of post offices in the 21230 zip code.

Public Collection Box
1011 W Barre St
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Public Collection Box
1800 Washington Blvd
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Public Collection Box
815 Scott St
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Public Collection Box
643 Washington Blvd
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Public Collection Box
1500 Bush St
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Public Collection Box
2147 W Patapsco Ave
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Public Collection Box
2212 Russell St
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Public Collection Box
3001 Lorena Ave
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Public Collection Box
1442 Hull St
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Public Collection Box
1401 Towson St
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Public Collection Box
1500 Whetstone Way
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Public Collection Box
1200 E Fort Ave
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Public Collection Box
1801 S Charles St
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Public Collection Box
1543 Covington St
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Public Collection Box
701 E Fort Ave
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Public Collection Box
1400 Boyle St
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Public Collection Box
1010 Hull St
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Public Collection Box
1470 William St
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Public Collection Box
2701 W Patapsco Ave
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Public Collection Box
1850 Parkman Ave
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Public Collection Box
2700 Washington Blvd
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Public Collection Box
2526 Washington Blvd
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Public Collection Box
1936 Harman Ave
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Public Collection Box
28 E Ostend St
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Public Collection Box
1201 William St
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Public Collection Box
1045 Light St
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Public Collection Box
1401 S Charles St
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Public Collection Box
1203 Riverside Ave
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Public Collection Box
1001 S Charles St
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Public Collection Box
446 E Clement St
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Mailbox in Post Office Lobby
1220 Race St
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Public Collection Box
800 Light St
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Public Collection Box
911 Leadenhall St
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Public Collection Box
611 S Charles St
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Mailboxes in Nearby Zip Codes