DOWNTOWN ONTARIO, CA Post Office

123 W HOLT BLVD ONTARIO, CA 91762 - 9998

Lot Parking Available

Phone 909-933-3837

Fax 909-391-0595

TTY 877-889-2457

DOWNTOWN ONTARIO, CA Post Office Hours

  • Mon-Fri 9:00am - 5:00pm
  • Sat-Sun Closed


DOWNTOWN ONTARIO Lobby Hours

  • Mon-Sat 6:00am - 6:00pm
  • Sun Closed

Last Collection Hours

  • Mon-Fri 5:00pm
  • Sat-Sun Closed

PO Box Access Hours

  • Mon-Sat 6:00am - 6:00pm
  • Sun Closed

DOWNTOWN ONTARIO Pickup Services Hours

  • Mon-Fri 8:30am - 5:00pm
  • Sat-Sun Closed

Global Express Guaranteed Hours

  • Mon-Fri 2:30pm
  • Sat-Sun Closed

DOWNTOWN ONTARIO Post Office On-Site Services

  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • Global Express GuaranteedĀ®
  • Greeting Card Services
  • Label Broker (Retail)
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • PO Box Online
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Priority Mail InternationalĀ®


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