East Marion US Post Office

9165 Main Road
East Marion, NY 11939
Phone: (631) 477-1668
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New Hyde Park US Post Office

1568 Union Turnpike
New Hyde Park - 11040
(516) 616-6893

West Hempstead US Post Office

245 Hempstead Avenue
West Hempstead - 11552
(516) 481-5430

Fishers Island US Post Office

1 Oriental Avenue
Fishers Island - 06390
(631) 788-7835

Port Jefferson Station US Post Office

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

Nesconset US Post Office

226 Smithtown Blvd
Nesconset - 11767
(631) 265-3278

Holbrook US Post Office

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

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Locust US Post Office

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

East Setauket US Post Office

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