Water Mill US Post Office

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

360 Maple Avenue
Westbury - 11590
(516) 333-3598

Woodmere US Post Office

132 Franklin Place
Woodmere - 11598
(516) 374-3776

Hampton US Post Office

16 Ponquogue Avenue
Hampton Bays - 11946
(631) 728-6994

East Northport US Post Office

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

Floral Park US Post Office

35 Tulip Avenue
Floral Park - 11001
(516) 616-5184

Old Westbury US Post Office

1 Store Hill Road # A
Old Westbury - 11568
(516) 626-5247

East Moriches US Post Office

3 Atlantic Avenue
East Moriches - 11940
(631) 878-0243

North Bellmore US Post Office

2465 Jerusalem Avenue
North Bellmore - 11710
(516) 785-0676

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Old Bethpage US Post Office

696 Old Bethpage Road
Old Bethpage - 11804
(516) 249-2915