Bayport US Post Office

850 Montauk Highway
Bayport, NY 11705
Phone: (631) 472-7396
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East Northport US Post Office

297 Larkfield Road
East Northport - 11731
(631) 368-5632

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

Holtsville US Post Office

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

Amityville US Post Office

77 Ireland Place
Amityville - 11701
631-264-3532

Lawrence US Post Office

12 Bayview Avenue
Lawrence - 11559
(516) 239-2834

Glenwood Landing US Post Office

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

Lindenhurst US Post Office

65 E Hoffman Avenue
Lindenhurst - 11757
(631) 226-6914

Garden City US Post Office

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

Island Park US Post Office

367 Long Beach Road
Island Park - 11558
(516) 432-9537