Mt Baldy Post Office

6730 Mt Baldy Rd, Mt Baldy, CA 91759

Contact Numbers

Phone: 909-982-7807
Fax: 909-982-5827
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 10:15am
Tuesday 10:15am
Wednesday 10:15am
Thursday 10:15am
Friday 10:15am
Saturday 10:15am
Sunday Closed

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

  • Business Line
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • 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:

Alta Loma
6649 Amethyst Ave
4.8 miles away

Wrightwood
1440 State Highway 2
5.1 miles away

Upland
333 E Arrow Hwy
5.5 miles away

Claremont
140 Harvard Ave
6.1 miles away

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