New Suffolk US Post Office

375 1st St
New Suffolk, NY 11956
Phone: (631) 734-6271
Fax: (516) 437-2896
Visit Website

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Wainscott US Post Office

357 Montauk Highway
Wainscott - 11975
(631) 537-8943

St. James US Post Office

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

Massapequa Park US Post Office

4910 Merrick Road
Massapequa Park - 11762
(516) 798-1268

Williston Park US Post Office

446 Willis Avenue
Williston Park - 11596
(516) 746-3247

Center Moriches US Post Office

35 Railroad Avenue
Center Moriches - 11934
(631) 878-0953

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741

Mineola US Post Office

160 1st St
Mineola - 11501
(516) 746-1372

Bay Shore US Post Office

1314 5th Avenue
Bay Shore - 11706
(631) 969-3504

Copiague US Post Office

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