Area codes 440 and 436 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Ohio, serving the parts of the Greater Cleveland area, surrounding the city of Cleveland, but not the city and most of its inner suburbs.
Area code 440 was established on August 16, 1997, in a three-way split of area code 216, one of the original North American area codes, [1] to provide relief from central office prefix exhaustion from increasing popularity of cellular phones and population pressure. [2] The 216 numbering plan area (NPA) had already been divided the preceding year in 1996 to create area code 330 to the south, with NPA 216 stretching along the coast of Lake Erie.
Prior to October 2021, area code 440 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. [3]
In December 2022, the Public Utilities Commission of Ohio announced a projection that the pool of available telephone numbers for the 440 area code would be exhausted by the third quarter of 2024. The Commission approved a plan of relief action which prescribes an all-service overlay in the numbering plan area with the new area code 436. [4] [5] The activation date was March 1, 2024. [4]
Area codes 440 and 436 serves most of the southern, western, and eastern suburbs of Cleveland, including the larger cities and communities of Ashtabula, Chardon, Eastlake, Elyria, Lorain, Mentor, North Olmsted, North Ridgeville, North Royalton, Parma, Solon, Strongsville, Westlake and Willoughby. [6] 440 serves all of Lake and Geauga counties. It also serves almost all of Ashtabula and Lorain counties, part of Erie County, the northeast corner of Huron County, and the northwest part of Trumbull County. [7] It also covers far eastern Cuyahoga County, the rest of which stayed in 216. The largest city in the numbering plan area is Parma, Ohio. [8]
The numbering plan area is just barely contiguous, joined by a narrow section in the south.
The region Northeast Ohio, in the US state of Ohio, in its most expansive usage contains six metropolitan statistical areas: Cleveland–Elyria, Akron, Canton–Massillon, Youngstown–Warren, Mansfield, and Weirton–Steubenville along with eight micropolitan statistical areas. Most of the region is considered either part of the Cleveland–Akron–Canton, OH Combined Statistical Area and media market or the Youngstown–Warren, OH–PA Combined Statistical Area and media market. In all, the region is home to: 4,502,460 residents. It is also a part of the Great Lakes megalopolis, containing over 54 million people. Northeast Ohio also includes most of the area known historically as the Connecticut Western Reserve.
Area codes 716 and 624 are telephone area codes in the North American Numbering Plan (NANP) for Buffalo, Niagara Falls, and four surrounding counties in western New York. 716 was one of the original North American area codes established in 1947, while 624 was assigned to the identical numbering plan area (NPA) in 2023.
Area codes 314 and 557 are telephone area codes in the North American Numbering Plan (NANP) in the U.S. state of Missouri, serving the city of St. Louis and most of its inner-ring suburbs in neighboring St. Louis County. The numbering plan area is bordered to the west by area code 636, which serves St. Louis' outer suburbs to the west, south, and north. Across the Mississippi River to the east, 314 is adjacent to area code 618, which serves southern Illinois and most of Metro East. Area code 557 was added to the 314 numbering plan area on August 12, 2022, to form an overlay numbering plan.
Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telephone call. When necessary, the ten-digit number may be prefixed with the trunk code 1, which is referred to as 1+10-digit dialing or national format.
Area codes 561 and 728 are telephone area codes in the North American Numbering Plan (NANP) for Palm Beach County in the U.S. state of Florida. 561 was created on May 13, 1996, in a split of area code 407. The numbering plan area (NPA) comprises nearly every major city in the county, the largest of which being West Palm Beach, Boca Raton, Wellington, Boynton Beach, Jupiter, Delray Beach, and Belle Glade. On March 10, 2023, area code 728 was added to the same numbering plan area to form an all-services distributed overlay.
Area codes 920 and 274 are telephone area codes in the North American Numbering Plan (NANP) for a large area of eastern Wisconsin. Area code 920 was created on July 26, 1997, in a split of area code 414, one of the original North American area codes of 1947. 274 was added to the same numbering plan area (NPA) on May 5, 2023 to create an area code overlay.
Area codes 516 and 363 are telephone overlay area codes in the North American Numbering Plan (NANP) for the U.S. state of New York. The numbering plan area (NPA) comprises Nassau County on Long Island. Area code 516 was created in 1951 and 363 was added to the numbering plan area in 2023.
Area codes 608 and 353 are telephone area codes in the North American Numbering Plan for much of southwestern Wisconsin, including the state capital city Madison. Area code 608 was assigned in 1955 to a numbering plan area created from areas with area code 414 and area code 715, and was the third area code created in Wisconsin. Rapid growth of the area, specifically in Dane County, brought the area code close to exhaustion of central office prefixes, with NANPA projections in 2022 projecting the need for relief by late 2023. In September 2022, the Wisconsin Public Service Commission and North American Numbering Plan Administrator (NANPA) announced an overlay complex for the numbering plan area with new area code 353, with an in-service date of September 15, 2023. New central office code orders were accepted starting on July 11, 2023, but activatlon is contingent on complete exhaustion of central office codes for 608.
Area code 951 is a telephone area code in the North American Numbering Plan for western Riverside County in the southern part of the U.S. state of California. It was assigned in 2004 to a new numbering plan area that was created by an area code split of area code 909.
Area codes 845 and 329 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of New York. The numbering plan area comprises the mid- and lower Hudson Valley, specifically Orange, Putnam, Rockland, and Ulster counties, and parts of Columbia, Delaware, Dutchess, Greene, and Sullivan counties.
Area code 319 is a telephone area code in the North American Numbering Plan (NANP) for the southeastern and east-central parts of the U.S. state of Iowa.
Area codes 513 and 283 are telephone area codes in the North American Numbering Plan (NANP) for the southwest of the U.S. state of Ohio, including Cincinnati and surrounding cities, such as Forest Park, Hamilton, Lebanon, West Chester, Mason, Maineville, Middletown, Milford, Norwood, Oxford, Harrison, Cleves, Miamitown and Trenton.
Area code 216 is the telephone area code in the North American Numbering Plan (NANP) for the city of Cleveland and most of its inner-ring suburbs in Cuyahoga County of the U.S. state of Ohio. The area code is one of the original North American area codes established in 1947.
Area codes 816 and 975 are telephone area codes in the North American Numbering Plan (NANP) for most of the Missouri side of the Kansas City metropolitan area, the St. Joseph area, and all or part of 15 surrounding counties in northwestern Missouri. The numbering plan area originally comprised most of the northern and western two-thirds of the state, bordering with Arkansas, Illinois, Iowa, Kansas, Nebraska, and Oklahoma, but has been reduced to a ribbon bordering Kansas. 816 is one of the original 86 area codes created in 1947. The numbering plan area was converted to an overlay complex with area code 975 in 2023.
Area codes 309 and 861 are telephone area codes in the North American Numbering Plan (NANP) for the west-central part of the U.S. state of Illinois. The numbering plan area includes cities such as Bloomington, Canton, East Moline, East Peoria, Galesburg, Geneseo, Kewanee, Macomb, Minonk, Moline, Morton, Normal, Pekin, Peoria, Rock Island, Silvis, and many smaller communities in west-central Illinois. Area code 309 was created in 1957 in an split of area code 815. 861 was added to the numbering plan area on February 24, 2023, in formation of an overlay.
Area code 912 is a telephone area code in the North American Numbering Plan (NANP) for the southeastern part of the U.S. state of Georgia. The numbering plan area contains Savannah, Richmond Hill, Hinesville, Vidalia, Metter, Reidsville, Homerville, Waycross, Brunswick, Folkston, Douglas, Statesboro, Ludowici, Jesup and Kingsland. The area code was created in 1954 in an area code split from area code 404, which had been assigned to the entire state in 1947.
Area codes 618 and 730 are telephone area codes in the North American Numbering Plan (NANP) for southern Illinois. The numbering plan area (NPA) comprises one hundred and twenty-six municipalities, such as Carbondale, Cairo, Belleville, East St. Louis, Edwardsville, Marion, O'Fallon, Alton, Mt. Vernon, Centralia, Herrin, Salem, Metropolis, Fairview Heights, Collinsville, and Granite City. Area code 618 was one of the original North American area codes created in 1947, and 730 was added to the plan area to form an overlay complex to satisfy the need for more telephone numbers in the region. The current population of the 618/730 area code is 1,288,816 people. It encompasses approximately 15,458 square mile ; and has a population density of 83.38 people per square mile.
Area codes 330 and 234 are telephone area codes in the North American Numbering Plan (NANP) for a part of northeast Ohio. The numbering plan area (NPA) includes the cities of Akron, Canton, Youngstown, and Warren.
| North: 216, 519/226/548/382, Lake Erie | ||
| West: 419/567 | area code 440/436 | East: 724/878, 814/582 |
| South: 234/330, 419/567 | ||
| Ontario area codes: 226/519/548, 249/705, 289/365/742/905, 343/613, 416/437/647, 807 | ||
| Pennsylvania area codes: 215/267/445, 223/717, 272/570, 412, 484/610, 724, 814/582, 878 | ||