Central Islip US Post Office

110 E Suffolk Avenue
Central Islip, NY 11722
Phone: (631) 234-0547
Fax: (631) 234-7429
Visit Website

Oakdale US Post Office

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

Orient US Post Office

980 Village Ln
Orient - 11957
(631) 323-9760

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Glen Cove US Post Office

2 Glen Cove Avenue
Glen Cove - 11542
(516) 671-7847

Wyandanch US Post Office

1569 Straight Path
Wyandanch - 11798
(631) 643-3914

Ocean Beach US Post Office

315 Cottage Walk
Ocean Beach - 11770
(631) 583-7368

Farmingdale US Post Office

380 Main St
Farmingdale - 11735
(516) 249-1552

Greenport US Post Office

131 Front St
Greenport - 11944
(631) 477-1493

Levittown US Post Office

180 Gardiners Avenue
Levittown - 11756
(516) 735-7343

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420