Post Offices
Post Offices in & near Stony Brook, New York. Operating hours, locations, phone/fax number, services information.
Stony Brook Post Office
Post Office in Stony Brook, New York on Main St. Operating hours, phone number, services information, and other locations.
Address: 129 Main St, Stony Brook, NY 11790
Phone: 631-751-5691
Fax: 631-246-8241
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 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed
Last Collection Times
Monday 10:00am - 3:00pmTuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
Saturday 9:30am - 12:30pm
Sunday Closed
East Setauk Post Office
Address: 450 Route 25a, East Setauket, NY 11733
Phone: 631-941-4005
Fax: 631-689-2173
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Setauk Post Office
Address: 101 Main St, Setauket, NY 11733
Phone: 631-941-4042
Fax: 631-689-2173
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Saint Jam Post Office
Address: 325 Lake Ave, Saint James, NY 11780
Phone: 631-584-4138
Fax: 631-862-0631
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Port Jefferson Post Office
Address: 407 E Main St Ste 17, Port Jefferson, NY 11777
Phone: 631-473-1065
Fax: 631-928-4632
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Port Jefferson Station Post Office
Address: 544 Jefferson Plz, Port Jefferson Station, NY 11776
Phone: 631-473-2751
Fax: 631-474-9769
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457