Central Islip US Post Office

101 Federal Plaza
Central Islip, NY 11722
Phone: (631) 715-0001
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Middle Island US Post Office

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

Jericho US Post Office

425 N Broadway
Jericho - 11753
(516) 681-6248

Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931

Eastport US Post Office

24 Eastport Manor Road
Eastport - 11941
(631) 325-1798

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Laurel US Post Office

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

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000

Wantagh US Post Office

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

Brentwood US Post Office

25 2nd Avenue
Brentwood - 11717
(631) 273-0947

Farmingdale US Post Office

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