Roslyn US Post Office

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

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

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880

Lynbrook US Post Office

100 Broadway
Lynbrook - 11563
(516) 599-7587

Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001

Middle Island US Post Office

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

East Setauket US Post Office

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

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712

Locust US Post Office

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

Floral Park US Post Office

35 Tulip Avenue
Floral Park - 11001
(516) 616-5184