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Post Offices in Cornwallville

Click on the Post Office from this list of 1 Post Offices in Cornwallville to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office Cornwallville (NY)

Cornwallville, NY 12418

The Post Office is open Monday to Friday from 8:00 am to 12:00 pm and on Saturday from 10:00 am to 1:00 pm. It is closed on Sunday.