Massapequa US Post Office

80 Atlantic Avenue
Oceanside, NY 11572
Other Locations
Phone: (516) 766-5829
Fax: (516) 766-7585
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Hampton US Post Office

16 Ponquogue Avenue
Hampton Bays - 11946
(631) 728-6994

Brightwaters US Post Office

145 Orinoco Dr
Brightwaters - 11718
(631) 206-4855

Rocky Point US Post Office

346 Route 25a # 84
Rocky Point - 11778
(631) 744-0635

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963

Lawrence US Post Office

12 Bayview Avenue
Lawrence - 11559
(516) 239-2834

Jamesport US Post Office

1451 Route 25
Jamesport - 11947
(631) 722-5946

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

West Sayville US Post Office

12 Washington Avenue
West Sayville - 11796
(631) 589-6958

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647