Yaphank US Post Office

5 E Main St
Yaphank, NY 11980
Phone: (631) 345-6829
Fax: (516) 295-5706
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Community Offices / Post Offices

Post Offices

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000
Post Offices

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668
Post Offices

Farmingdale US Post Office

380 Main St
Farmingdale - 11735
(516) 249-1552
Post Offices

Mt. Sinai US Post Office

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

North Babylon US Post Office

1196 Deer Park Avenue
North Babylon - 11703
(631) 667-4693
Post Offices

Port Washington US Post Office

1051 Port Washington Blvd
Port Washington - 11050
(516) 883-0754
Post Offices

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963
Post Offices

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027
Post Offices

Valley Stream US Post Office

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

Water Mill US Post Office

670 Montauk Highway
Water Mill - 11976
(631) 726-6310