Alta Loma Post Office - near me location, phone, and lobby, Retail, last collection open hours at today or at Saturday, Sunday



6649 Amethyst Ave, Rancho Cucamonga, CA 91701

Contact Numbers

Phone: 909-987-0785
Fax: 909-987-3653
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Lobby Hours
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 Closed
Sunday Closed

Last Collection Times

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 3:00pm
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:

Rancho Cucamonga
10950 Arrow Rte
1.9 miles away

Upland
333 E Arrow Hwy
2.4 miles away

Guasti
323 N Turner Ave
2.8 miles away

Ontario
1555 E Holt Blvd
2.9 miles away

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