Mason Post Office
144 W Ash St, Mason, MI 48854
Phone: 517-676-9400
Fax: 517-676-0244
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 5:30am - 5:30pm
Tuesday 5:30am - 5:30pm
Wednesday 5:30am - 5:30pm
Thursday 5:30am - 5:30pm
Friday 5:30am - 5:30pm
Saturday 5:30am - 4:30pm
Sunday Closed
Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 3:00pm
Sunday Closed
Monday 10:00am - 3:00pm
Tuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
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
- Duck Stamps
- General Delivery
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
- 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:
Holt
2190 Aurelius Rd
4.1 miles away
Lansing
4800 Collins Rd
4.8 miles away
Leslie
170 S Main St
5.2 miles away
Dansville
1036 S Jackson St
5.7 miles away
Ingham County