West Sayville US Post Office

12 Washington Avenue
West Sayville, NY 11796
Phone: (631) 589-6958
Fax: (516) 496-4736
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Franklin Square US Post Office

867 Hempstead Turnpike
Franklin Square - 11010
(516) 437-6647

Patchogue US Post Office

170 E Main St
Patchogue - 11772
(631) 475-8623

North Bellmore US Post Office

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

Greenport US Post Office

131 Front St
Greenport - 11944
(631) 477-1493

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Centerport US Post Office

434 E Main St
Centerport - 11721
(631) 261-6918

Greenvale US Post Office

37 Northern Blvd
Greenvale - 11548
(516) 621-7163

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

Ronkonkoma US Post Office

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

Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598