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Postal Court Post Office
815 Court St, Martinez, CA 94553
Phone: 925-229-4795
Fax: 925-874-8544
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 10:30am - 5:00pm
Sunday Closed
Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 2:00pm
Sunday Closed
*This facility does not process US Passports applications or renewals. Check nearby locations below.
- Business Line
- Packaged Stamps
- 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:
Martinez
4100 Alhambra Ave
1.0 miles away
Benicia
290 E L St
1.6 miles away
Port Costa
3 Canyon Lake Dr
2.3 miles away
Pacheco
4980 Pacheco Blvd
2.4 miles away
Contra Costa County