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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Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

Bethpage US Post Office

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

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709

Massapequa Park US Post Office

4910 Merrick Road
Massapequa Park - 11762
(516) 798-1268

Coram US Post Office

117 Pauls Path
Coram - 11727
(631) 732-8691

Patchogue US Post Office

170 E Main St
Patchogue - 11772
(631) 475-8623

West Babylon US Post Office

385 Route 109
West Babylon - 11704
(631) 893-0560

Wheatley Heights US Post Office

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

Rocky Point US Post Office

346 Route 25a # 84
Rocky Point - 11778
(631) 744-0635

Stony Brook US Post Office

129 Main St
Stony Brook - 11790
(631) 751-5691