Mastic Beach US Post Office

110 Mastic Road
Mastic Beach, NY 11951
Phone: (631) 281-0359
Fax: (631) 226-5599
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East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove - 11755
(631) 588-7019

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Fair Harbor US Post Office

100 Bay Walk
Fair Harbor - 11706
(631) 583-7080

East Hampton US Post Office

12 Gay Road
East Hampton - 11937
(631) 324-6320

Deer Park US Post Office

375 Carlls Path
Deer Park - 11729
(631) 667-6490

Malverne US Post Office

339 Hempstead Avenue
Malverne - 11565
(516) 599-7583

Holtsville US Post Office

162 Long Island Avenue
Holtsville - 11742
(631) 475-1761

Coram US Post Office

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

Huntington Station US Post Office

888 E Jericho Turnpike
Huntington Sta - 11746
(631) 427-0594