363 Area Code

Hempstead, New York

Hempstead, New York is the largest city covered by the 363 Area Code

Current Time

Eastern Time Zone

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363 Area Code Overview & Map

The 363 area code is a telephone area code of the North American Numbering Plan (NANP) in the U.S. state of New York. It serves Nassau County on Long Island, including the larger cities and towns of Glen Cove, Freeport, Levittown, Hempstead, Long Beach, and Oyster Bay. It is an overlay code for area code 516, meaning that it will be assigned to newly issued telephone numbers in Nassau once all existing 516 numbers are exhausted.

When was the 363 Area Code created?

The 363 area code was first put into service in 2023, by the North American Numbering Plan Administration (NANPA). Learn more about the US Area Code System

History

The 363 area code was created from the 516 area code, to meet the growing demand for new telephone numbers in New York.

Where is the 363 Area Code located?

The 363 area code serves Hempstead, New York and the surrounding areas.

Overlays

The 363 is an overlay for the 516 area code(s), and serves the same area. Learn about overlays

363 Area Code Map

363 Area Code Map

Cities in the 363 Area Code

The 363 area code includes 137 cites in New York.

City Population % in Area Code
Hempstead, NY 53,891 100%
Levittown, NY 51,881 100%
Freeport, NY 42,860 100%
Hicksville, NY 41,547 100%
East Meadow, NY 38,132 100%
Valley Stream, NY 37,511 100%
Long Beach, NY 33,275 100%
Elmont, NY 33,198 99%
Oceanside, NY 32,109 100%
Franklin Square, NY 29,320 100%
Glen Cove, NY 26,964 100%
Plainview, NY 26,217 100%
Uniondale, NY 24,759 100%
Baldwin, NY 24,033 100%
Rockville Centre, NY 24,023 100%
Garden City, NY 22,371 100%
Merrick, NY 22,097 100%
Massapequa, NY 21,685 100%
North Bellmore, NY 19,941 100%
Lynbrook, NY 19,427 100%
East Massapequa, NY 19,069 100%
Melville, NY 18,985 15%
Wantagh, NY 18,871 100%
West Hempstead, NY 18,862 100%
Syosset, NY 18,829 100%
Mineola, NY 18,799 100%
North Massapequa, NY 17,886 100%
Woodmere, NY 17,121 96%
Massapequa Park, NY 17,008 100%
North Valley Stream, NY 16,628 99%
Bethpage, NY 16,429 100%
Roosevelt, NY 16,258 100%
Bellmore, NY 16,218 100%
Floral Park, NY 15,863 95%
Port Washington, NY 15,846 100%
Seaford, NY 15,294 100%
Westbury, NY 15,146 100%
North New Hyde Park, NY 14,899 97%
South Farmingdale, NY 14,486 100%
New Cassel, NY 14,059 100%
Jericho, NY 13,567 100%
North Merrick, NY 12,272 100%
Salisbury, NY 12,093 100%
North Wantagh, NY 11,960 100%
Great Neck, NY 9,989 100%
East Rockaway, NY 9,818 100%
Inwood, NY 9,792 100%
New Hyde Park, NY 9,712 100%
Woodbury, NY 8,907 100%
Plainedge, NY 8,817 100%
Malverne, NY 8,514 100%
Farmingdale, NY 8,189 100%
Baldwin Harbor, NY 8,102 100%
Manhasset, NY 8,080 100%
Garden City Park, NY 7,806 100%
Williston Park, NY 7,287 100%
East Hills, NY 6,955 100%
Hewlett, NY 6,819 100%
Oyster Bay, NY 6,707 100%
Great Neck Plaza, NY 6,707 100%
Bayville, NY 6,669 100%
Cedarhurst, NY 6,592 100%
Roslyn Heights, NY 6,577 100%
Manorhaven, NY 6,556 100%
East Farmingdale, NY 6,484 51%
Lawrence, NY 6,483 100%
East Garden City, NY 6,208 100%
South Valley Stream, NY 5,962 100%
Lakeview, NY 5,615 100%
Old Bethpage, NY 5,523 100%
Albertson, NY 5,182 100%
North Hills, NY 5,075 100%
Kings Point, NY 5,005 100%
Sea Cliff, NY 4,995 100%
Carle Place, NY 4,981 100%
Searingtown, NY 4,915 100%
Glen Head, NY 4,697 100%
Old Westbury, NY 4,671 100%
Flower Hill, NY 4,665 100%
Island Park, NY 4,655 100%
Herricks, NY 4,295 100%
University Gardens, NY 4,226 100%
Garden City South, NY 4,024 100%
Glenwood Landing, NY 3,779 100%
Manhasset Hills, NY 3,592 100%
Muttontown, NY 3,497 100%
Brookville, NY 3,465 100%
Locust Valley, NY 3,406 100%
South Hempstead, NY 3,243 100%
Port Washington North, NY 3,154 100%
Lake Success, NY 2,934 100%
Lido Beach, NY 2,897 100%
Roslyn, NY 2,770 100%
Great Neck Estates, NY 2,761 99%
East Norwich, NY 2,709 100%
Munsey Park, NY 2,693 100%
Sands Point, NY 2,675 100%
Thomaston, NY 2,617 100%
East Williston, NY 2,556 100%
Barnum Island, NY 2,414 100%
Bay Park, NY 2,212 100%
Bellerose Terrace, NY 2,198 67%
Oyster Bay Cove, NY 2,197 100%
Old Brookville, NY 2,134 100%
East Atlantic Beach, NY 2,049 100%
Laurel Hollow, NY 1,952 100%
Stewart Manor, NY 1,896 100%
Atlantic Beach, NY 1,891 100%
South Floral Park, NY 1,764 100%
Lattingtown, NY 1,739 100%
Upper Brookville, NY 1,698 100%
Plandome, NY 1,349 100%
Harbor Isle, NY 1,301 100%
Hewlett Harbor, NY 1,263 100%
Roslyn Estates, NY 1,251 100%
Point Lookout, NY 1,219 100%
Bellerose, NY 1,193 70%
Great Neck Gardens, NY 1,186 100%
Kensington, NY 1,161 100%
Greenvale, NY 1,094 100%
Roslyn Harbor, NY 1,051 100%
Plandome Heights, NY 1,005 100%
Baxter Estates, NY 999 100%
Mill Neck, NY 997 100%
Russell Gardens, NY 945 100%
Plandome Manor, NY 872 100%
Saddle Rock, NY 830 100%
Matinecock, NY 810 100%
North Lynbrook, NY 793 100%
Woodsburgh, NY 778 100%
Harbor Hills, NY 575 98%
Malverne Park Oaks, NY 505 100%
Saddle Rock Estates, NY 466 100%
Hewlett Neck, NY 445 100%
Centre Island, NY 410 100%
Hewlett Bay Park, NY 404 100%
Cove Neck, NY 286 100%

363 Area Code NXX Prefixes

The 363 Area Code (NPA Code) has 0 prefixes (NXX Code). An NXX prefix, also known as a central office code or exchange code, is the three-digit code that follows the area code in a North American telephone number. Learn about NXX Prefixes

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