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Postal Diablo Post Office
1701 El Nido, Diablo, CA 94528
Phone: 925-837-3800
Fax: 925-837-3865
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 Closed
Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday Closed
Sunday Closed
Monday 9:00am - 12:00pm, 1:00pm - 3:00pm
Tuesday 9:00am - 12:00pm, 1:00pm - 3:00pm
Wednesday 9:00am - 12:00pm, 1:00pm - 3:00pm
Thursday 9:00am - 12:00pm, 1:00pm - 3:00pm
Friday 9:00am - 12:00pm, 1:00pm - 3:00pm
Saturday Closed
Sunday Closed
- Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
- You will need two forms of Identification with copies.
- A passport quality photo. Available at location.
- The appropriate application form printed and filled out, and the required fee for applying or renewing.
- You can find up to date costs, information, and forms at the State Departments Travel Site
*An appointment is required to apply for or renew US Passports. Please Call or schedule online.
Monday 9:00am - 1:00pm
Tuesday 9:00am - 1:00pm
Wednesday 9:00am - 1:00pm
Thursday 9:00am - 1:00pm
Friday 9:00am - 1:00pm
Saturday Closed
Sunday Closed
- Bulk Mail Acceptance
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Duck Stamps
- General Delivery
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Passport Acceptance
- Passport Photo
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
- Lot Parking
- Passport Appointment Hours
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:
Danville
2605 Camino Tassajara
1.1 miles away
Danville Square
23 Railroad Ave
2.0 miles away
San Ramon
12935 Alcosta Blvd
2.3 miles away
Alamo
160 Alamo Plz
3.3 miles away
Contra Costa County
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