Southold US Post Office

710 Traveler St
Southold, NY 11971
Phone: (631) 765-4027
Fax: (631) 360-0532
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Blue Point US Post Office

141 Montauk Highway
Blue Point - 11715
(631) 363-6272

Central Islip US Post Office

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

Middle Island US Post Office

780 Middle Country Road
Middle Island - 11953
(631) 205-1089

Garden City US Post Office

600 Franklin Avenue
Garden City - 11530
(516) 747-2201

Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove - 11755
(631) 588-7019

Westhampton Beach US Post Office

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

Hauppauge US Post Office

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

Locust US Post Office

115 Forest Avenue
Locust Valley - 11560
(516) 671-1559

Cedarhurst US Post Office

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

Great Neck US Post Office

661 Middle Neck Road
Great Neck - 11023
(516) 829-6315