Rialto Annex Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

1630 N Riverside Ave, Rialto, CA 92376

Contact Numbers

Phone: 909-820-0363
Fax: 909-820-3490
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 5:15pm
Sunday Closed

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

  • Business Line

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:

241 W Rialto Ave
1.3 miles away

Northpark San Bernardino
4560 Hallmark Pkwy
2.0 miles away

1560 W Base Line St
2.0 miles away

10191 Linden Ave
2.7 miles away


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I didnt receive the package you said on the code you said was delivered it was another package all together. Please delivered the package you said you did ..

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