There are 5 United States Postal Service post boxes available to the public in South Mountain, 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 South Mountain, PA.

Mailbox in Post Office Lobby
10444 S Mountain Rd
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Public Collection Box
10444 S Mountain Rd
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Public Collection Box
1 Campus Dr
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Public Collection Box
3 Ash St
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Public Collection Box
4025 Lincoln Way E
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