Greenvale US Post Office

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

200 Hawkins Avenue
Ronkonkoma - 11779
(631) 588-0301

Huntington US Post Office

55 Gerard St
Huntington - 11743
(631) 427-8777

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245

Islip Terrace US Post Office

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

Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247

Miller Placeace US Post Office

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

Cold Spring Harbor US Post Office

126 Main St
Cold Spring Hbr - 11724
(631) 692-5307

New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001

Glenwood Landing US Post Office

123 Glenwood Road
Glenwood Landing - 11547
(516) 676-8452