Mammoth Post Office
230 S Main St, Mammoth, AZ 85618
Phone: 520-487-2861
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Monday 2:15pm
Tuesday 2:15pm
Wednesday 2:15pm
Thursday 2:15pm
Friday 2:15pm
Saturday 10:00am
Sunday Closed
Monday 8:30am - 4:00pm
Tuesday 8:30am - 4:00pm
Wednesday 8:30am - 4:00pm
Thursday 8:30am - 4:00pm
Friday 8:30am - 4:00pm
Saturday Closed
Sunday Closed
*This facility does not process US Passports applications or renewals. Check nearby locations below.
- Bulk Mail Acceptance
- Bulk Mail Account Balance
- Bulk Mail New Permit
- Burial Flags
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- General Delivery
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
- Sure Money
- Lobby has Copier
- Lot Parking
Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.
*Please call to verify information. Is anything incorrect? Let us know here
Nearby Post Offices:
San Manuel
430 S Avenue a
4.6 miles away
Oracle
905 E American Ave
6.6 miles away
Mount Lemmon
12984 N Sabino Canyon Pkwy
12.0 miles away
Winkelman
301 Giffin Ave
12.1 miles away
Pinal County