East Hampton US Post Office

291 Springs Fireplace Road
East Hampton, NY 11937
Phone: (631) 324-0790
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Northport US Post Office

240 Main St
Northport - 11768
(631) 261-6941

Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931

Mineola US Post Office

160 1st St
Mineola - 11501
(516) 746-1372

Roslyn Heights US Post Office

66 Mineola Avenue
Roslyn Heights - 11577
(516) 621-8050

Ronkonkoma US Post Office

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

Roosevelt US Post Office

1 Babylon Turnpike
Roosevelt - 11575
(516) 378-6973

Coram US Post Office

117 Pauls Path
Coram - 11727
(631) 732-8691

Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

Sagaponack US Post Office

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

Shelter Island US Post Office

45 N Ferry Road
Shelter Island - 11964
(631) 749-1857