Mt. Sinai US Post Office

457 Route 25a
Mt Sinai, NY 11766
Phone: (631) 928-0394
Fax: (516) 747-5876
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Plainview US Post Office

1662 Old Country Road
Plainview - 11803
(516) 845-7162

Glen Cove US Post Office

2 Glen Cove Avenue
Glen Cove - 11542
(516) 671-7847

East Hampton US Post Office

291 Springs Fireplace Road
East Hampton - 11937
(631) 324-0790

Island Park US Post Office

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

Bayville US Post Office

251 Bayville Avenue
Bayville - 11709
(516) 628-9235

Albertson US Post Office

860 Willis Avenue
Albertson - 11507
(516) 746-3512

New Hyde Park US Post Office

44 Millers Ln
New Hyde Park - 11040
(516) 616-6853

Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

West Hempstead US Post Office

245 Hempstead Avenue
West Hempstead - 11552
(516) 481-5430

East Norwich US Post Office

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