Plandome US Post Office

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

80 Atlantic Avenue
Oceanside - 11572
(516) 766-5829

Franklin Square US Post Office

867 Hempstead Turnpike
Franklin Square - 11010
(516) 437-6647

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647

Seaford US Post Office

3575 Merrick Road
Seaford - 11783
(516) 785-3851

Mastic Beach US Post Office

110 Mastic Road
Mastic Beach - 11951
(631) 281-0359

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

Aquebogue US Post Office

212 Linda Avenue
Aquebogue - 11931
(631) 722-4368

Old Bethpage US Post Office

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

Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247

Bayville US Post Office

251 Bayville Avenue
Bayville - 11709
(516) 628-9235