Byron Ca Discovery Bay Post Office

3345 Bixler Rd, Discovery Bay, CA 94505

Contact Numbers

Phone: 925-634-1164
Fax: 925-634-1468
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 6:00am - 5:00pm
Tuesday 6:00am - 5:00pm
Wednesday 6:00am - 5:00pm
Thursday 6:00am - 5:00pm
Friday 6:00am - 5:00pm
Saturday 6:00am - 1:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:00am - 4:00pm
Tuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 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
  • Business Line
  • General Delivery
  • Packaged Stamps
  • Philatelic Services
  • 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:

Byron
3852 Main St
1.2 miles away

Brentwood
18 Oak St
3.2 miles away

Knightsen
3019 Knightsen Ave
3.5 miles away

Bethel Island
6444 Bethel Island Rd
5.1 miles away

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