Sag Harbor US Post Office

21 Long Island Avenue
Sag Harbor, NY 11963
Phone: (631) 725-8968
Fax: (516) 766-5845
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Community Offices / Post Offices

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Central Islip US Post Office

110 E Suffolk Avenue
Central Islip - 11722
(631) 234-0547
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East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668
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Farmingdale US Post Office

380 Main St
Farmingdale - 11735
(516) 249-1552
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Hempstead US Post Office

200 Fulton Avenue
Hempstead - 11550
(516) 560-1120
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Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove - 11755
(631) 588-7019
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Middle Island US Post Office

780 Middle Country Road
Middle Island - 11953
(631) 205-1089
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New Hyde Park US Post Office

2038 Hillside Avenue
New Hyde Park - 11040
(516) 354-5685
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Old Westbury US Post Office

1 Store Hill Road # A
Old Westbury - 11568
(516) 626-5247
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Port Washington US Post Office

1051 Port Washington Blvd
Port Washington - 11050
(516) 883-0754
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East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042
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