Fishers Island US Post Office

1 Oriental Avenue
Fishers Island, NY 06390
Phone: (631) 788-7835
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Southold US Post Office

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

Malverne US Post Office

339 Hempstead Avenue
Malverne - 11565
(516) 599-7583

Nesconset US Post Office

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

Bay Shore US Post Office

10 Bay Shore Avenue
Bay Shore - 11706
(631) 969-3506

Jericho US Post Office

425 N Broadway
Jericho - 11753
(516) 681-6248

Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247

Sound Beach US Post Office

25 New York Avenue
Sound Beach - 11789
(631) 744-0837

Old Westbury US Post Office

223 Store Hill Road # A
Old Westbury - 11568
(516) 333-0964

Sayville US Post Office

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

Manorville US Post Office

525 Eastport Manor Road
Manorville - 11949
(631) 727-0064