There are 13 United States Postal Service post boxes available to the public in zip code 21550. 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 21550 zip code.

Mailboxes in Nearby Zip Codes

Public Collection Box
19746 Garrett Hwy
Directions
Public Collection Box
1916 Maryland Hwy
Directions
Public Collection Box
1325 Maryland Hwy
Directions
Mailbox in Post Office Lobby
1325 Md Hwy
Directions
Public Collection Box
251 N 4 Th St
Directions
Public Collection Box
406 Weber Rd
Directions
Public Collection Box
22 S 2 Nd St
Directions
Mailbox in Post Office Lobby
22 S 22 Nd St
Directions
Public Collection Box
308 S 2 Nd St
Directions
Public Collection Box
313 E Alder St
Directions
Public Collection Box
200 S 2 Nd St
Directions
Public Collection Box
104 E Center St
Directions
Public Collection Box
22 S 2 Nd St
Directions