Plandome US Post Office

155 Stonytown Road
Plandome, NY 11030
Phone: (516) 627-3747
Fax: (516) 845-7406
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Hampton US Post Office

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

West Hempstead US Post Office

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

Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Island Park US Post Office

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

Huntington US Post Office

55 Gerard St
Huntington - 11743
(631) 427-8777

East Quogue US Post Office

6 Bay Avenue
East Quogue - 11942
(631) 653-5247

Lynbrook US Post Office

100 Broadway
Lynbrook - 11563
(516) 599-7587

Old Westbury US Post Office

223 Store Hill Road # A
Old Westbury - 11568
(516) 333-0964

Mastic US Post Office

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