Post offices and parcel points in Mammoth, PA
ZIP code 156641 location — 1 post office.
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- Post offices
Post office in Mammoth
- Mammoth Post OfficeUnited States Post Office
2688 Route 982
- Hours
- Mo-Fr 07:30-18:00 open "lobby", 08:00-12:00 open "retail"; Sa 07:30-15:00 open "lobby", 08:00-11:45 open "retail"Mon–Fri11:55 amSat11:45 am