Farmingville US Post Office

500 Horseblock Road
Farmingville, NY 11738
Phone: (631) 732-8625
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Ronkonkoma US Post Office

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

Plandome US Post Office

155 Stonytown Road
Plandome - 11030
(516) 627-3747

Glenwood Landing US Post Office

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

West Islip US Post Office

480 Union Blvd
West Islip - 11795
(631) 669-5157

Oyster Bay US Post Office

1 Shore Avenue
Oyster Bay - 11771
(516) 922-8249

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Mattituck US Post Office

140 Love Ln
Mattituck - 11952
(631) 298-1364

Westhampton Beach US Post Office

170 Main St
Westhampton Beach - 11978
(631) 288-4093

Wheatley Heights US Post Office

6 Colonial Springs Road
Wheatley Heights - 11798
(631) 643-3913