Greenvale US Post Office

37 Northern Blvd
Greenvale, NY 11548
Phone: (516) 621-7163
Fax: (516) 487-2508
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Garden City US Post Office

600 Franklin Avenue
Garden City - 11530
(516) 747-2201

Peconic US Post Office

2575 Peconic Ln
Peconic - 11958
(631) 765-9348

Remsenburg US Post Office

137 S Country Road
Remsenburg - 11960
(631) 325-5937

Islip US Post Office

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

Massapequa Park US Post Office

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

Blue Point US Post Office

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

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575

Jamesport US Post Office

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

Syosset US Post Office

40 Queens St
Syosset - 11791
(516) 921-0746

Roosevelt US Post Office

1 Babylon Turnpike
Roosevelt - 11575
(516) 378-6973