Locust US Post Office

115 Forest Avenue
Locust Valley, NY 11560
Phone: (516) 671-1559
Fax: (631) 226-5599
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Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397

Long Beach US Post Office

101 E Park Avenue
Long Beach - 11561
(516) 432-5484

Plandome US Post Office

155 Stonytown Road
Plandome - 11030
(516) 627-3747

Bay Shore US Post Office

1314 5th Avenue
Bay Shore - 11706
(631) 969-3504

West Babylon US Post Office

385 Route 109
West Babylon - 11704
(631) 893-0560

East Moriches US Post Office

3 Atlantic Avenue
East Moriches - 11940
(631) 878-0243

Malverne US Post Office

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

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880

Wantagh US Post Office

3300 Park Avenue
Wantagh - 11793
(516) 785-3425