Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace, NY 11752
Phone: (631) 581-7894
Fax: (516) 487-2508
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Seaford US Post Office

3575 Merrick Road
Seaford - 11783
(516) 785-3851

Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479

Bay Shore US Post Office

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

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

New Hyde Park US Post Office

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

Commack US Post Office

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

Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245

Mastic US Post Office

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

Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452