Upton US Post Office

2 Center St
Upton, NY 11973
Phone: (631) 344-2539
Fax: (516) 496-4736
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Wantagh US Post Office

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

Elmont US Post Office

260 Elmont Road
Elmont - 11003
(516) 354-5947

New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

Laurel US Post Office

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

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

East Hampton US Post Office

291 Springs Fireplace Road
East Hampton - 11937
(631) 324-0790

Long Beach US Post Office

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

Medford US Post Office

1905 Route 112
Medford - 11763
(631) 475-8273

Brookhaven US Post Office

2512 Montauk Highway
Brookhaven - 11719
(631) 286-1591

East Setauket US Post Office

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