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Ontario Post Office | United States Post Office

3656 Park Avenue West, Ontario, OH 44862-9800

Designated Parking|Full Wheelchair Access.
Eligibility
Open to all.
Required documents
Call for information.
Hours
Mon-Fri 10 am-1 pm, 1:45 pm-4:45 pm Sat 8:45 am-11:45 am
(419) 529-2409
Voice·

voice | Ontario Office

Application process
Walk in.
Fees
Call for information.
Service area
Richland County, Ohio
US Post Office for Ontario.
Last assured
02/19/2026
What's Here
Post Offices
Providing organization
United States Post Office
US Post Offices for Richland County.