Post Offices

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

Islip Terra Post Office

Post Office in Islip Terrace, New York on Carleton Ave. Operating hours, phone number, services information, and other locations.

Address: 136 Carleton Ave, Islip Terrace, NY 11752
Phone: 631-581-7894
Fax: 631-224-9083
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 - 1:00pm
Sunday Closed

Lobby Hours

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:00pm
Sunday Closed

Last Collection Times

Monday 9:00am - 3:00pm
Tuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday Closed
Sunday Closed

East Isl Post Office

Address: 11 Greenwood Ave, East Islip, NY 11730
Phone: 631-581-7807
Fax: 631-224-9064
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Federal Court Hou Post Office

Address: 101 Federal Plz, Central Islip, NY 11722
Phone: 631-787-6000
Fax: 631-787-6002
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Isl Post Office

Address: 309 Main St Unit 3, Islip, NY 11751
Phone: 631-581-7931
Fax: 631-224-1376
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Great River Post Office

Address: 62 River Rd, Great River, NY 11739
Phone: 631-581-7680
Fax: 631-224-1375
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Brentwood Post Office

Address: 25 2nd Ave, Brentwood, NY 11717
Phone: 631-273-0947
Fax: 631-273-6353
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Central Isl Post Office

Address: 110 E Suffolk Ave, Central Islip, NY 11722
Phone: 631-234-0547
Fax: 631-234-7429
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Oakdal Post Office

Address: 927 Montauk Hwy, Oakdale, NY 11769
Phone: 631-589-2683
Fax: 631-563-2799
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Bay Shor Post Office

Address: 1314 5th Ave, Bay Shore, NY 11706
Phone: 631-969-3504
Fax: 631-968-0770
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Bay Shor Post Office

Address: 1314 5th Ave, Bay Shore, NY 11706
Phone: 631-969-3504
Fax: 631-968-0770
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Brightwater Post Office

Address: 145 Orinoco Dr, Brightwaters, NY 11718
Phone: 631-206-4855
Fax: 631-666-8021
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457