Glen Head US Post Office

240 Glen Head Road # 1
Glen Head, NY 11545
Phone: (516) 676-8465
Fax: (516) 228-7555
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Laurel US Post Office

2168 Main Road
Laurel - 11948
(631) 298-1672

Water Mill US Post Office

670 Montauk Highway
Water Mill - 11976
(631) 726-6310

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Southold US Post Office

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

Middle Island US Post Office

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

East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275

North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710

Lake Grove US Post Office

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

Oakdale US Post Office

927 Montauk Highway
Oakdale - 11769
(631) 589-2683