Central Islip US Post Office

110 E Suffolk Avenue
Central Islip, NY 11722
Phone: (631) 234-0547
Fax: (631) 234-7429
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Great Neck US Post Office

1 Welwyn Road
Great Neck - 11021
(516) 482-5013

Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff - 11579
(516) 671-8258

Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479

Brentwood US Post Office

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

Bellmore US Post Office

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

Garden City US Post Office

830 Stewart Avenue
Garden City - 11599
(516) 228-7502

Cherry Grove US Post Office

1000 Bay Walk
Cherry Grove - 11782
(631) 589-1177

Ocean Beach US Post Office

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

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317

East Islip US Post Office

11 Greenwood Avenue
East Islip - 11730
(631) 581-7807