Merrick US Post Office

2040 Merrick Road
Merrick, NY 11566
Phone: (516) 378-7087
Fax: (631) 226-5599
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Westhampton Beach US Post Office

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

Commack US Post Office

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

Wading River US Post Office

1816 Wading River Manor Road
Wading River - 11792
(631) 929-0219

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027

Massapequa US Post Office

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

Locust US Post Office

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

Shelter Island US Post Office

45 N Ferry Road
Shelter Island - 11964
(631) 749-1857

Atlantic Beach US Post Office

2009 Park St
Atlantic Beach - 11509
(516) 239-1178

Centerport US Post Office

434 E Main St
Centerport - 11721
(631) 261-6918

North Babylon US Post Office

1196 Deer Park Avenue
North Babylon - 11703
(631) 667-4693