Long Island Towns
Nassau County:
Within Nassau County there are 2 cities, 3 towns, 64 incorporated villages and over 100 unincorporated areas. The entire county is physically divided amongst the 3 towns: Hempstead, North Hempstead, and Oyster Bay, and the two cities, Long Beach and Glen Cove. Within the three towns reside the 64 Incorporated Villages, all of which are listed below with their contact information.
Glen Cove, City of (516) 676-2000
Long Beach, City of (516) 431-1000
Hempstead, Town of (516) 489-5000
Atlantic Beach, Village of (516) 371-4600
Bellerose, Village of (516) 354-1000
Cedarhurst, Village of (516) 295-5770
East Rockaway, Village of (516) 887-6300
Floral Park, Village of (516) 326-6300
Freeport, Village of (516) 377-2200
Garden City, Village of (516) 742-5800
Hempstead, Village of (516) 489-3400
Hewlett Bay Park, Village of (516) 295-1400
Hewlett Harbor, Village of (516) 374-3806
Hewlett Neck, Village of (516) 295-1400
Island Park, Village of (516) 431-0600
Lawrence, Village of (516) 239-4600
Lynbrook, Village of (516) 599-8300
Malverne, Village of (516) 599-1200
Mineola, Village of (516) 746-0750
New Hyde Park, Village of (516) 354-0022
Rockville Centre, Village of (516) 678-9300
South Floral Park, Village of (516) 352-8047
Stewart Manor, Village of (516) 354-1800
Valley Stream, Village of (516) 825-4200
Woodsburgh, Village of (516) 295-1400
North Hempstead, Town of (516) 627-0590
Baxter Estates, Village of (516) 767-0096
East Hills, Village of (516) 621-4251
East Williston, Village of (516) 746-0782
Flower Hill, Village of (516) 627-2253
Great Neck, Village of (516) 482-0019
Great Neck Estates, Village of (516) 482-8283
Great Neck Plaza, Village of (516) 482-4500
Kensington, Village of (516) 482-4409
Kings Point, Village of (516) 482-7872
Lake Success, Village of (516) 482-4411
Manorhaven, Village of (516) 883-7000
Munsey Park, Village of (516) 365-7790
North Hills, Village of (516) 627-3451
Old Westbury, Village of (516) 626-0800
Plandome, Village of (516) 627-1748
Plandome Heights, Village of (516) 627-1136
Plandome Manor, Village of (516) 627-3701
Port Washington North, Village of (516) 883-5900
Roslyn, Village of (516) 621-1961
Roslyn Estates, Village of (516) 621-3541
Roslyn Harbor, Village of (516) 621-0368
Russell Gardens, Village of (516) 482-8246
Saddle Rock, Village of (516) 482-9400
Sands Point, Village of (516) 883-3044
Thomaston, Village of (516) 482-3110
Westbury, Village of (516) 334-1700
Williston Park, Village of (516) 746-2193
Oyster Bay, Town of (516) 624-6100
Bayville, Village of (516) 628-1439
Brookville, Village of (516) 626-1792
Centre Island, Village of (516) 922-0606
Cove Neck, Village of (516) 922-1885
Farmingdale, Village of (516) 249-0093
Lattingtown, Village of (516) 676-6920
Laurel Hollow, Village of (516) 692-8826
Massapequa Park, Village of (516) 798-0244
Matinecock, Village of (516) 671-7790
Mill Neck, Village of (516) 922-6722
Muttontown, Village of (516) 364-3476
Old Brookville, Village of (516) 671-4664
Oyster Bay Cove, Village of (516) 922-1016
Sea Cliff, Village of (516) 671-0080
Upper Brookville, Village of (516) 624-7715
source: http://www.nassaucountyny.gov/website/AG/Federal/townsaz.html
Suffolk County:
Town of Southold
Southold Town Hall
53095 Main Road
Southold, NY 11971
(631) 765-1800
Village of Greenport
236 Third Street
Greenport, NY 11944
(631) 477-0248
Town of Shelter Island
Shelter Island Town Hall
Shelter Island, NY 11964
(631) 749-1166
Village of Dering Harbor
PO Box K
Shelter Island, NY 11965
(631) 749-0020
Town of East Hampton
East Hampton Town Hall
15 Pantigo Road
East Hampton, NY 11937
(631) 324-4142
Village of East Hampton
27 Main Street
East Hampton, NY 11937
(631) 324-4150
Village of Sag Harbor
Main Street, P.O. Box 660
Sag Harbor, NY 11963
(631) 725-0222
source: http://www.co.suffolk.ny.us/Home/departments/Misc/Towns%20and%20Villages.aspx