Centerport US Post Office

434 E Main St
Centerport, NY 11721
Phone: (631) 261-6918
Fax: (631) 757-6784
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East Hampton US Post Office

291 Springs Fireplace Road
East Hampton - 11937
(631) 324-0790

Ronkonkoma US Post Office

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

Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842

Franklin Square US Post Office

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

Middle Island US Post Office

780 Middle Country Road
Middle Island - 11953
(631) 205-1089

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

Long Beach US Post Office

101 E Park Avenue
Long Beach - 11561
(516) 432-5484

Old Bethpage US Post Office

696 Old Bethpage Road
Old Bethpage - 11804
(516) 249-2915