There are 7 United States Postal Service post boxes available to the public in Mars, PA. You can use any one of these locations to mail your letter or small package. For additional collection boxes in neighboring communities, see the list of post boxes in Pennsylvania.

Are you looking for a post office? See the list of post offices in Mars, PA.

Public Collection Box
111 Grand Ave
Directions
Public Collection Box
2200 Garden Dr
Directions
Public Collection Box
206 Seven Fields Blvd
Directions
Mailbox in Post Office Lobby
111 Grand Ave
Directions
CVS
558 Pittsburgh St
Directions
Cpu Seven Fields Giant Eagle
206 Seven Fields Blvd
Directions
Mailbox in Post Office Lobby
172 Railroad St
Directions