Post Offices
Post Offices in & near Water Mill, New York. Operating hours, locations, phone/fax number, services information.
Water Mill Post Office
Post Office in Water Mill, New York on Montauk Hwy. Operating hours, phone number, services information, and other locations.
Address: 670 Montauk Hwy, Water Mill, NY 11976
Phone: 631-726-6310
Fax: 631-726-6742
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 5:00pmTuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 1:00pm
Sunday Closed
Lobby Hours
Monday 4:30pmTuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 1:00pm
Sunday Closed
Last Collection Times
Monday 9:00am - 2:00pmTuesday 9:00am - 2:00pm
Wednesday 9:00am - 2:00pm
Thursday 9:00am - 2:00pm
Friday 9:00am - 2:00pm
Saturday Closed
Sunday Closed