WILLIAMSTOWN POST OFFICE 13493

Williamstown Post Office Hours

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Retail Hours

Contact Numbers:

Phone: 315-964-2412
Monday-Friday 8:00am - 12:00pm, 1:00pm - 3:00pm
Saturday 9:30am - 11:00am
Sunday Closed

Pickup Services Hours

Monday-Friday 8:00am - 12:00pm, 1:00pm - 3:00pm
Saturday 9:30am - 11:00am
Sunday Closed

Monday-Saturday 7:00am - 6:00pm
Sunday Closed

PO Box Access Hours

Monday-Saturday 7:00am - 6:00pm
Sunday Closed

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509 State Route 13
Williamstown, NY 13493

The Williamstown Post Office is located in the state of New York within Oswego County. This location serves 2,070 Williamstown residents with a median income of $48,063. It's estimated that approximately 3,304 packages pass through this post office each year.

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