Islip US Post Office

309 Main St # 3
Islip, NY 11751
Phone: (631) 581-7931
Fax: (516) 487-2508
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Fishers Island US Post Office

1 Oriental Avenue
Fishers Island - 06390
(631) 788-7835

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000

Port Jefferson Station US Post Office

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

Massapequa Park US Post Office

4910 Merrick Road
Massapequa Park - 11762
(516) 798-1268

Old Westbury US Post Office

223 Store Hill Road # A
Old Westbury - 11568
(516) 333-0964

Roslyn US Post Office

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

Island Park US Post Office

367 Long Beach Road
Island Park - 11558
(516) 432-9537

West Hempstead US Post Office

245 Hempstead Avenue
West Hempstead - 11552
(516) 481-5430

Great Neck US Post Office

1 Welwyn Road
Great Neck - 11021
(516) 482-5013

Albertson US Post Office

860 Willis Avenue
Albertson - 11507
(516) 746-3512