Plainview US Post Office

1662 Old Country Road
Plainview, NY 11803
Phone: (516) 845-7162
Fax: (516) 845-7406
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Middle Island US Post Office

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

Islip US Post Office

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

Carle Place US Post Office

309 Westbury Avenue
Carle Placeace - 11514
(516) 333-3147

Glenwood Landing US Post Office

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

New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

Bellport US Post Office

26 Station Road
Bellport - 11713
(631) 286-8561

Jamesport US Post Office

1451 Route 25
Jamesport - 11947
(631) 722-5946

Wheatley Heights US Post Office

6 Colonial Springs Road
Wheatley Heights - 11798
(631) 643-3913

Shirely US Post Office

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

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668