Ocean Beach US Post Office

315 Cottage Walk
Ocean Beach, NY 11770
Phone: (631) 583-7368
Fax: (516) 437-2896
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East Islip US Post Office

11 Greenwood Avenue
East Islip - 11730
(631) 581-7807

Garden City US Post Office

830 Stewart Avenue
Garden City - 11599
(516) 228-7502

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

North Babylon US Post Office

1196 Deer Park Avenue
North Babylon - 11703
(631) 667-4693

Ronkonkoma US Post Office

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

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

Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights - 11965
(631) 749-0486

Southold US Post Office

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

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283