Great Neck US Post Office

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

3690 Middle Country Road
Calverton - 11933
(631) 727-0067

West Islip US Post Office

480 Union Blvd
West Islip - 11795
(631) 669-5157

Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709

Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace - 11752
(631) 581-7894

West Hempstead US Post Office

245 Hempstead Avenue
West Hempstead - 11552
(516) 481-5430

Center Moriches US Post Office

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

Great River US Post Office

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

West Babylon US Post Office

617 W Montauk Highway
West Babylon - 11704
(631) 422-2276

Lindenhurst US Post Office

65 E Hoffman Avenue
Lindenhurst - 11757
(631) 226-6914