Atlantic Plaza Post Office

296 Atlantic Ave, Pittsburg, CA 94565

Contact Numbers

Phone: 925-432-2741
Fax: 925-432-9643
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:00am - 6:00pm
Tuesday 7:00am - 6:00pm
Wednesday 7:00am - 6:00pm
Thursday 7:00am - 6:00pm
Friday 7:00am - 6:00pm
Saturday 7:00am - 6:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Business Line
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online

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:

Pittsburg
835 Railroad Ave
0.9 mile away

Bay Point
646 Port Chicago Hwy
3.1 miles away

Rivertown
420 W 4th St
3.1 miles away

Clayton
6150 Center St
3.2 miles away

Reviews

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I am absolutely furious with the personnel at this postal station. I mailed student test materials via media mail, which is permissible and posted on the USPS website. It was returned to me becausei it wasn't bound like a book, and the clerk, an African American woman with a short afro hair style had the audacity to be indignant and incredibly rude. Please let me know ASAP if the posted rules for media mail are accurate. I am genuinely enraged and so are my students parents.
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