Holtsville US Post Office

162 Long Island Avenue
Holtsville, NY 11742
Phone: (631) 475-1761
Fax: (516) 487-2508
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Massapequa US Post Office

80 Atlantic Avenue
Oceanside - 11572
(516) 766-5829

Valley Stream US Post Office

111 S Franklin Avenue
Valley Stream - 11580
(516) 825-8739

Montauk US Post Office

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

Franklin Square US Post Office

867 Hempstead Turnpike
Franklin Square - 11010
(516) 437-6647

East Rockaway US Post Office

10 Main St
East Rockaway - 11518
(516) 599-2157

Hewlett US Post Office

1245 Hewlett Placez
Hewlett - 11557
(516) 374-0973

Calverton US Post Office

3690 Middle Country Road
Calverton - 11933
(631) 727-0067

Central Islip US Post Office

110 E Suffolk Avenue
Central Islip - 11722
(631) 234-0547

Cutchogue US Post Office

240 Griffing St
Cutchogue - 11935
(631) 734-6032

Lindenhurst US Post Office

65 E Hoffman Avenue
Lindenhurst - 11757
(631) 226-6914