Sagaponack US Post Office

542 Sagg Main St
Sagaponack, NY 11962
Phone: (631) 537-9346
Fax: (516) 766-5845
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Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598

North Bellmore US Post Office

2465 Jerusalem Avenue
North Bellmore - 11710
(516) 785-0676

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Ocean Beach US Post Office

315 Cottage Walk
Ocean Beach - 11770
(631) 583-7368

New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

Kings Point US Post Office

300 Steamboat Road
Kings Point - 11024
(516) 773-5298

Old Westbury US Post Office

1 Store Hill Road # A
Old Westbury - 11568
(516) 626-5247

Copiague US Post Office

695 Marconi Blvd
Copiague - 11726
(631) 842-9084

Mt. Sinai US Post Office

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

Valley Stream US Post Office

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