Great Neck US Post Office

1 Welwyn Road
Great Neck, NY 11021
Phone: (516) 482-5013
Fax: (516) 487-2508
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Garden City US Post Office

630 Old Country Road # 530
Garden City - 11530
(516) 746-1394

Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove - 11755
(631) 588-7019

Holtsville US Post Office

162 Long Island Avenue
Holtsville - 11742
(631) 475-1761

Point Lookout US Post Office

110 Lido Blvd
Point Lookout - 11569
(516) 431-7590

Central Islip US Post Office

110 E Suffolk Avenue
Central Islip - 11722
(631) 234-0547

Stony Brook US Post Office

129 Main St
Stony Brook - 11790
(631) 751-5691

East Hampton US Post Office

291 Springs Fireplace Road
East Hampton - 11937
(631) 324-0790

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

Riverhead US Post Office

1210 W Main St
Riverhead - 11901
(631) 727-1019