Montauk US Post Office

73 S Euclid Avenue
Montauk, NY 11954
Phone: (631) 668-7043
Fax: (516) 747-5876
Visit Website

New Hyde Park US Post Office

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

Roslyn US Post Office

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

Cherry Grove US Post Office

1000 Bay Walk
Cherry Grove - 11782
(631) 589-1177

Greenport US Post Office

131 Front St
Greenport - 11944
(631) 477-1493

Mt. Sinai US Post Office

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

Holtsville US Post Office

162 Long Island Avenue
Holtsville - 11742
(631) 475-1761

Garden City US Post Office

630 Old Country Road # 530
Garden City - 11530
(516) 746-1394

West Babylon US Post Office

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

Central Islip US Post Office

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

Westhampton Beach US Post Office

170 Main St
Westhampton Beach - 11978
(631) 288-4093