Roslyn US Post Office

1391 Old Northern Blvd
Roslyn, NY 11576
Phone: (516) 621-7397
Fax: (516) 766-5845
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West Babylon US Post Office

617 W Montauk Highway
West Babylon - 11704
(631) 422-2276

Peconic US Post Office

2575 Peconic Ln
Peconic - 11958
(631) 765-9348

Farmingville US Post Office

500 Horseblock Road
Farmingville - 11738
(631) 732-8625

Central Islip US Post Office

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

Glenwood Landing US Post Office

123 Glenwood Road
Glenwood Landing - 11547
(516) 676-8452

Bellmore US Post Office

2611 Merrick Road
Bellmore - 11710
(516) 781-0579

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Elmont US Post Office

778 Elmont Road
Elmont - 11003
(516) 285-4078

Wantagh US Post Office

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

Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights - 11965
(631) 749-0486