Locust US Post Office

115 Forest Avenue
Locust Valley, NY 11560
Phone: (516) 671-1559
Fax: (631) 226-5599
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Mt. Sinai US Post Office

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

Melville US Post Office

718 Walt Whitman Road
Melville - 11747
(631) 421-0726

Hicksville US Post Office

185 W John St
Hicksville - 11801
(516) 933-2300

Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff - 11579
(516) 671-8258

Mattituck US Post Office

140 Love Ln
Mattituck - 11952
(631) 298-1364

Selden US Post Office

109 College Placez
Selden - 11784
(631) 732-8627

Jericho US Post Office

425 N Broadway
Jericho - 11753
(516) 681-6248

Moriches US Post Office

290 Montauk Highway
Moriches - 11955
(631) 878-1381

Westhampton US Post Office

408 Mill Road
Westhampton - 11977
(631) 288-4081

Bethpage US Post Office

339 Hicksville Road
Bethpage - 11714
(516) 938-3901