Malverne US Post Office

339 Hempstead Avenue
Malverne, NY 11565
Phone: (516) 599-7583
Fax: (631) 226-5599
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East Hampton US Post Office

291 Springs Fireplace Road
East Hampton - 11937
(631) 324-0790

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

East Setauket US Post Office

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

Levittown US Post Office

180 Gardiners Avenue
Levittown - 11756
(516) 735-7343

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275

Middle Island US Post Office

780 Middle Country Road
Middle Island - 11953
(631) 205-1089

Mill Neck US Post Office

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

Moriches US Post Office

290 Montauk Highway
Moriches - 11955
(631) 878-1381

Peconic US Post Office

2575 Peconic Ln
Peconic - 11958
(631) 765-9348

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829