ONTARIO, CA Post Office

1555 E HOLT BLVD ONTARIO, CA 91761 - 9998

Lot Parking Available

Phone 909-933-3837

Fax 909-988-4023

TTY 877-889-2457

ONTARIO, CA Post Office Hours

  • Mon-Fri 8:30am - 5:00pm
  • Sat 9:00am - 3:00pm
  • Sun Closed


ONTARIO Lobby Hours

  • Mon-Sun 12:01am - 11:59pm

Last Collection Hours

  • Mon-Sat 5:00pm
  • Sun Closed

ONTARIO Passport Photo Hours

  • Mon-Fri 9:00am - 3:00pm
  • Sat-Sun Closed

PO Box Access Hours

  • Mon-Sun 12:01am - 11:59pm

ONTARIO Pickup Services Hours

  • Mon-Fri 8:00am - 5:00pm
  • Sat 9:00am - 3:00pm
  • Sun Closed

Global Express Guaranteed Hours

  • Mon-Fri 3:00pm
  • Sat-Sun Closed

ONTARIO Self Service Kiosk Hours

  • Mon-Sun 12:01am - 11:59pm

ONTARIO Post Office On-Site Services

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


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