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Ontario Post Office, CA - 1555 E Holt Blvd - USPS Hours & Location Address

Post Office Ontario, CA

The USPS Ontario Post office is located at 1555 E Holt Blvd in the Ontario Locality, CA region with 91761 postal code in the U.S.

Customers can get in touch with post master through the Ontario Post Office telephone number (909) 933-3837.

NOTICE: Kindly follow the COVID-19 Safety Guidelines while visiting the USPS Ontario Post Office. The United States Postal Service (USPS) is an essential government service that always stay open in all possible situtaions. 

Ontario Post Office

Post Office Ontario, CA

Customers can view the complete information about the Post office in Ontario, CA. The US Post office is at the 1555 E Holt Blvd address.

USPS Postal Employees should use the liteblue usps gov to get their employee profile information, work schedules, payroll, work benefits, career development, w-2 form updation, enabling direct deposit, online tax-filling, and connect with HR Team.

The office phone number, retail opening hours, available services information, and near by USPS post office in the CA – Unites States (91761).

Name Ontario Post Office
Address 1555 E Holt Blvd,
Ontario, CA 91761
Locality Ontario
Region CA
Postal Code 91761
Phone number: (909) 933-3837
TTY 877-889-2457
Toll-free number 1-800-Ask-USPSĀ®
Official WEBSITE Visit the
Social Media: Facebook, Twitter

Post Office in Ontario Hours, CA

Ontario post office hours includes retail hours, lobby hours, and last collection hours is as follow.,

Ontario Post office Retail Hours USPS

DayOffice Hours
Monday8:30am - 5:00pm
Tuesday8:30am - 5:00pm
Wednesday8:30am - 5:00pm
Thursday8:30am - 5:00pm
Friday8:30am - 5:00pm
Saturday9:00am - 3:00pm

USPS Post office Ontario Lobby Hours

DayOffice Hours
Monday24 hours
Tuesday24 hours
Wednesday24 hours
Thursday24 hours
Friday24 hours
Saturday24 hours
Sunday24 hours

US Ontario Post office Last Collection

DayOffice Hours

Ontario Post Office Location address map

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List of Services at the Ontario Post Office

Post office in Ontario offers the below services for its people across the CA 91761 postal code in the United States.

  • Business Reply Mail Account Balance
  • General Delivery
  • Duck Stamps
  • Money Orders (Domestic)
  • Bulk Mail Account Balance
  • Business Reply Mail New Permit
  • Bulk Mail New Permit
  • Bulk Mail Acceptance
  • Burial Flags
DISCLAIMER: WE ARE NOT AFFILIATED with the All the information found in the website may or mayn't be accurate. In case, any error or need a correction, kindly let us know through the comment or contact us page. However we recommend the visitors to visit or contact the official United Postal Service website at or they can reachout to the official USPS Toll-free number at 1-800-Ask-USPS.

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