Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst, NY 11516
Phone: (516) 295-1452
Fax: (516) 374-2095
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Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

New Hyde Park US Post Office

1001 2nd Avenue
New Hyde Park - 11040
(516) 354-6024

Yaphank US Post Office

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

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

Malverne US Post Office

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

Nesconset US Post Office

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

Montauk US Post Office

73 S Euclid Avenue
Montauk - 11954
(631) 668-7043

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317

Point Lookout US Post Office

110 Lido Blvd
Point Lookout - 11569
(516) 431-7590

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394