Carle Place US Post Office

309 Westbury Avenue
Carle Placeace, NY 11514
Phone: (516) 333-3147
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Westhampton US Post Office

408 Mill Road
Westhampton - 11977
(631) 288-4081

Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931

Bayville US Post Office

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

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710

Mastic Beach US Post Office

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

Plandome US Post Office

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

Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

Syosset US Post Office

40 Queens St
Syosset - 11791
(516) 921-0746

Oyster Bay US Post Office

1 Shore Avenue
Oyster Bay - 11771
(516) 922-8249