Post Offices

Post Offices in & near Oyster Bay, New York. Operating hours, locations, phone/fax number, services information.

Oyster Bay Post Office

Post Office in Oyster Bay, New York on Shore Ave. Operating hours, phone number, services information, and other locations.

Address: 1 Shore Ave, Oyster Bay, NY 11771
Phone: 516-922-8249
Fax: 516-922-3921
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 2:00pm
Sunday Closed

Lobby Hours

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed

Last Collection Times

Monday 9:30am - 2:30pm
Tuesday 9:30am - 2:30pm
Wednesday 9:30am - 2:30pm
Thursday 9:30am - 2:30pm
Friday 9:30am - 2:30pm
Saturday 9:30am - 10:30am
Sunday Closed

East Norwich Post Office

Address: 1001 Oyster Bay Rd, East Norwich, NY 11732
Phone: 516-922-8283
Fax: 516-922-4329
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Mill Neck Post Office

Address: 32 Frost Mill Rd, Mill Neck, NY 11765
Phone: 516-922-8247
Fax: 516-922-1128
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Bayvill Post Office

Address: 251 Bayville Ave, Bayville, NY 11709
Phone: 516-628-9235
Fax: 516-628-8953
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Sy Post Office

Address: 40 Queens St, Syosset, NY 11791
Phone: 516-921-1921
Fax: 516-496-4736
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Locust Valley Post Office

Address: 115 Forest Ave, Locust Valley, NY 11560
Phone: 516-671-1559
Fax: 516-759-6758
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457