Central Islip US Post Office

101 Federal Plaza
Central Islip, NY 11722
Phone: (631) 715-0001
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East Hampton US Post Office

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

Calverton US Post Office

3690 Middle Country Road
Calverton - 11933
(631) 727-0067

Locust US Post Office

115 Forest Avenue
Locust Valley - 11560
(516) 671-1559

Islandia US Post Office

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

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575

Remsenburg US Post Office

137 S Country Road
Remsenburg - 11960
(631) 325-5937

East Moriches US Post Office

3 Atlantic Avenue
East Moriches - 11940
(631) 878-0243

Aquebogue US Post Office

212 Linda Avenue
Aquebogue - 11931
(631) 722-4368

Old Bethpage US Post Office

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

Albertson US Post Office

860 Willis Avenue
Albertson - 11507
(516) 746-3512