Bayport US Post Office

850 Montauk Highway
Bayport, NY 11705
Phone: (631) 472-7396
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Holtsville US Post Office

162 Long Island Avenue
Holtsville - 11742
(631) 475-1761

Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598

Merrick US Post Office

2040 Merrick Road
Merrick - 11566
(516) 378-7087

Port Jefferson Station US Post Office

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

Oyster Bay US Post Office

1 Shore Avenue
Oyster Bay - 11771
(516) 922-8249

Hauppauge US Post Office

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

Miller Placeace US Post Office

47 Echo Avenue
Miller Placeace - 11764
(631) 473-8134

Islip US Post Office

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

Jamesport US Post Office

1451 Route 25
Jamesport - 11947
(631) 722-5946

Rockville US Post Office

250 Merrick Road
Rockville Centre - 11570
(516) 766-5749