Riverhead US Post Office

1210 W Main St
Riverhead, NY 11901
Phone: (631) 727-1019
Fax: (516) 845-7406
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Community Offices / Post Offices

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Albertson US Post Office

860 Willis Avenue
Albertson - 11507
(516) 746-3512
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Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647
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East Hampton US Post Office

12 Gay Road
East Hampton - 11937
(631) 324-6320
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Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931
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Kings Point US Post Office

300 Steamboat Road
Kings Point - 11024
(516) 773-5298
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Port Washington US Post Office

1051 Port Washington Blvd
Port Washington - 11050
(516) 883-0754
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Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397
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East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042
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Valley Stream US Post Office

111 S Franklin Avenue
Valley Stream - 11580
(516) 825-8739
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Wyandanch US Post Office

1569 Straight Path
Wyandanch - 11798
(631) 643-3914
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