| Post Office Name | US Post Office |
| Address | 230 S Main St |
| City | Mammoth |
| State | Arizona |
| Phone Number | (520) 487-2861 |
| Latitude | 32.7036 |
| Longitude | -110.6550 |
85618 US Post Office in Mammoth, Arizona is located at 230 S Main St. The Mammoth Post Office Number is (520) 487-2861