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Post Offices in Ontario

Click on the Post Office from this list of 9 Post Offices in Ontario to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office Ontario (WI)

Ontario, WI 54651

The Post Office is open Monday to Friday from 9:00 am to 1:00 pm and on Saturday from 8:30 am to 9:15 am. It is closed on Sunday.

2. USPS Post Office Ontario (OR)

Ontario, OR 97914

The Post Office is open Monday to Friday from 8:30 am to 11:30 am and from 12:00 pm to 2:00 pm. It is closed Saturday and Sunday.

3. USPS Post Office Ontario (NY)

2001 Furguson St

Ontario, NY 14519

The Post Office is open Monday to Friday from 9:00 am to 4:00 pm and on Saturday from 9:00 am to 11:00 am. It is closed on Sunday.

4. USPS Post Office Ontario (OH)

3656 Park Ave W

Ontario, OH 44862

The Post Office is open Monday to Friday from 10:00 am to 1:00 pm and from 1:45 pm to 4:45 pm and on Saturday from 8:45 am to 11:45 am. It is closed on Sunday.

5. USPS Post Office Ontario (CA)

1555 E Holt Blvd

Ontario, CA 91761

The Post Office is open Monday to Sunday from 12:01 am to 11:59 pm.

6. USPS Village Post Office (VPO) Ontario

1118 W Mission Blvd Ste D

Ontario, CA 91762

The Post Office is open Monday to Friday from 9:00 am to 7:00 pm and Saturday and Sunday from 10:00 am to 5:00 pm.

7. USPS Post Office Plaza Center - Ontario (CA)

1126 N Mountain Ave

Ontario, CA 91762

The Post Office is open Monday to Friday from 8:30 am to 5:00 pm. It is closed Saturday and Sunday.

8. USPS Post Office Downtown Ontario - Ontario (CA)

123 W Holt Blvd

Ontario, CA 91762

The Post Office is open Monday to Friday from 9:00 am to 5:00 pm. It is closed Saturday and Sunday.

9. USPS Post Office Cpu Meijers 890

1355 N Lexington Springmill Rd

Ontario, OH 44906

The Post Office is open Monday to Sunday from 7:00 am to 11:00 pm.