Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace, NY 11752
Phone: (631) 581-7894
Fax: (516) 487-2508
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Oakdale US Post Office

927 Montauk Highway
Oakdale - 11769
(631) 589-2683

Glen Head US Post Office

240 Glen Head Road # 1
Glen Head - 11545
(516) 676-8465

Atlantic Beach US Post Office

2009 Park St
Atlantic Beach - 11509
(516) 239-1178

New Hyde Park US Post Office

1001 2nd Avenue
New Hyde Park - 11040
(516) 354-6024

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709

Bethpage US Post Office

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

East Rockaway US Post Office

10 Main St
East Rockaway - 11518
(516) 599-2157

Sagaponack US Post Office

542 Sagg Main St
Sagaponack - 11962
(631) 537-9346

North Bellmore US Post Office

2465 Jerusalem Avenue
North Bellmore - 11710
(516) 785-0676

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027