Eastport US Post Office

24 Eastport Manor Road
Eastport, NY 11941
Phone: (631) 325-1798
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Islip US Post Office

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

Elmont US Post Office

260 Elmont Road
Elmont - 11003
(516) 354-5947

Port Washington US Post Office

1051 Port Washington Blvd
Port Washington - 11050
(516) 883-0754

Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

Medford US Post Office

1905 Route 112
Medford - 11763
(631) 475-8273

Hewlett US Post Office

1245 Hewlett Placez
Hewlett - 11557
(516) 374-0973

Riverhead US Post Office

1210 W Main St
Riverhead - 11901
(631) 727-1019

Seaford US Post Office

3575 Merrick Road
Seaford - 11783
(516) 785-3851

East Quogue US Post Office

6 Bay Avenue
East Quogue - 11942
(631) 653-5247