Great River US Post Office

62 River Road
Great River, NY 11739
Phone: (631) 581-7680
Fax: (516) 487-2508
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Huntington US Post Office

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

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Northport US Post Office

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

Greenport US Post Office

131 Front St
Greenport - 11944
(631) 477-1493

Coram US Post Office

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

Aquebogue US Post Office

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

Bay Shore US Post Office

1314 5th Avenue
Bay Shore - 11706
(631) 969-3504

Massapequa US Post Office

80 Atlantic Avenue
Oceanside - 11572
(516) 766-5829

Rockville US Post Office

250 Merrick Road
Rockville Centre - 11570
(516) 766-5749

Locust US Post Office

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