Central Islip US Post Office

101 Federal Plaza
Central Islip, NY 11722
Phone: (631) 715-0001
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1

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751
2

Long Beach US Post Office

101 E Park Avenue
Long Beach - 11561
(516) 432-5484
3

Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace - 11752
(631) 581-7894
4

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396
5

Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452
6

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712
7

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397
8

Blue Point US Post Office

141 Montauk Highway
Blue Point - 11715
(631) 363-6272
9

Farmingdale US Post Office

380 Main St
Farmingdale - 11735
(516) 249-1552
10

Hicksville US Post Office

185 W John St
Hicksville - 11801
(516) 933-2300