There are 6 United States Postal Service post boxes available to the public in zip code 21661. 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 21661 zip code.

Mailboxes in Nearby Zip Codes

Public Collection Box
21309 Rock Hall Ave
Directions
Public Collection Box
5691 Liberty St
Directions
Walgreens/Happy Harrys
21400 Zeeman Rd
Directions
Public Collection Box
17 Washington Sq
Directions
Public Collection Box
101 Morgnec Rd
Directions
Public Collection Box
118 S Lynchburg St
Directions