Water Mill US Post Office

670 Montauk Highway
Water Mill, NY 11976
Phone: (631) 726-6310
Fax: (516) 496-4736
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West Hempstead US Post Office

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

Valley Stream US Post Office

111 S Franklin Avenue
Valley Stream - 11580
(516) 825-8739

West Babylon US Post Office

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

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

Plainview US Post Office

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

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880

Saltaire US Post Office

Broadway St
Saltaire - 11706
(631) 583-7716

Point Lookout US Post Office

110 Lido Blvd
Point Lookout - 11569
(516) 431-7590

Plandome US Post Office

155 Stonytown Road
Plandome - 11030
(516) 627-3747