Deer Park US Post Office

375 Carlls Path
Deer Park, NY 11729
Phone: (631) 667-6490
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Bayport US Post Office

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

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931

Wyandanch US Post Office

1569 Straight Path
Wyandanch - 11798
(631) 643-3914

Aquebogue US Post Office

212 Linda Avenue
Aquebogue - 11931
(631) 722-4368

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963

East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

Calverton US Post Office

3690 Middle Country Road
Calverton - 11933
(631) 727-0067

Manorville US Post Office

525 Eastport Manor Road
Manorville - 11949
(631) 727-0064