List of Ohio area codes
Encyclopedia
This is a list of area codes in the State
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Ohio
Ohio
Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

, with date of establishment in parentheses:
  • 216
    Area code 216
    216 is the North American telephone area code for Cleveland, Ohio and some suburban communities in Cuyahoga County.It was one of the original area codes issued in the North American Numbering Plan on January 1, 1947...

     Cleveland
    Cleveland, Ohio
    Cleveland is a city in the U.S. state of Ohio and is the county seat of Cuyahoga County, the most populous county in the state. The city is located in northeastern Ohio on the southern shore of Lake Erie, approximately west of the Pennsylvania border...

     (October, 1947)
  • 234 Akron
    Akron, Ohio
    Akron , is the fifth largest city in the U.S. state of Ohio and the county seat of Summit County. It is located in the Great Lakes region approximately south of Lake Erie along the Little Cuyahoga River. As of the 2010 census, the city had a population of 199,110. The Akron Metropolitan...

    , Canton
    Canton, Ohio
    Canton is the county seat of Stark County in northeastern Ohio, approximately south of Akron and south of Cleveland.The City of Caton is the largest incorporated area within the Canton-Massillon Metropolitan Statistical Area...

    , Youngstown
    Youngstown, Ohio
    Youngstown is a city in the U.S. state of Ohio and the county seat of Mahoning County; it also extends into Trumbull County. The municipality is situated on the Mahoning River, approximately southeast of Cleveland and northwest of Pittsburgh, Pennsylvania...

    , and Warren
    Warren, Ohio
    As of the census of 2000, there were 46,832 people, 19,288 households and 12,035 families residing in the city. The population density was 2,912.4 people per square mile . There were 21,279 housing units at an average density of 1,322.9 per square mile...

    , overlay with 330 (October 30, 2000)
  • 330 Akron
    Akron, Ohio
    Akron , is the fifth largest city in the U.S. state of Ohio and the county seat of Summit County. It is located in the Great Lakes region approximately south of Lake Erie along the Little Cuyahoga River. As of the 2010 census, the city had a population of 199,110. The Akron Metropolitan...

    , Canton
    Canton, Ohio
    Canton is the county seat of Stark County in northeastern Ohio, approximately south of Akron and south of Cleveland.The City of Caton is the largest incorporated area within the Canton-Massillon Metropolitan Statistical Area...

    , Youngstown
    Youngstown, Ohio
    Youngstown is a city in the U.S. state of Ohio and the county seat of Mahoning County; it also extends into Trumbull County. The municipality is situated on the Mahoning River, approximately southeast of Cleveland and northwest of Pittsburgh, Pennsylvania...

    , and Warren
    Warren, Ohio
    As of the census of 2000, there were 46,832 people, 19,288 households and 12,035 families residing in the city. The population density was 2,912.4 people per square mile . There were 21,279 housing units at an average density of 1,322.9 per square mile...

    , overlay with 234 (March 9, 1996)
  • 419 Northwest and north central Ohio
    Ohio
    Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

      including Toledo
    Toledo, Ohio
    Toledo is the fourth most populous city in the U.S. state of Ohio and is the county seat of Lucas County. Toledo is in northwest Ohio, on the western end of Lake Erie, and borders the State of Michigan...

    , Sandusky
    Sandusky, Ohio
    Sandusky is a city in the U.S. state of Ohio and the county seat of Erie County. It is located in northern Ohio and is situated on the shores of Lake Erie, almost exactly half-way between Toledo to the west and Cleveland to the east....

    , and Ashland
    Ashland, Ohio
    Ashland is a city in the U.S. state of Ohio and the county seat of Ashland County. The population was 21,249 at the 2000 census. It is the center of the Ashland Micropolitan Statistical Area...

    , overlay with 567 (October, 1947)
  • 440
    Area code 440
    Area code 440 is a North American telephone area code serving parts of Cleveland, including the Greater Cleveland area, and most of lake shore North East Ohio. This area code was established August 16, 1997. Area code 440 was formed by a three-way split of area 216, one of the original North...

     Part of Northeast Ohio
    Ohio
    Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

     including parts of Cleveland
    Cleveland, Ohio
    Cleveland is a city in the U.S. state of Ohio and is the county seat of Cuyahoga County, the most populous county in the state. The city is located in northeastern Ohio on the southern shore of Lake Erie, approximately west of the Pennsylvania border...

      (August 16, 1997)
  • 513
    Area code 513
    The area code 513 serves southwest Ohio including Cincinnati and its many suburbs, such as the cities of Forest Park, Hamilton, Lebanon, Mason, Middletown, Norwood, Oxford, and Trenton; it is one of the original area codes established in 1947. It formerly covered a larger area of Southwestern...

     Southwest Ohio
    Ohio
    Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

     including Cincinnati
    Cincinnati, Ohio
    Cincinnati is a city in the U.S. state of Ohio. Cincinnati is the county seat of Hamilton County. Settled in 1788, the city is located to north of the Ohio River at the Ohio-Kentucky border, near Indiana. The population within city limits is 296,943 according to the 2010 census, making it Ohio's...

     (October, 1947)
  • 567 Northwest and north central Ohio
    Ohio
    Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

      including Toledo
    Toledo, Ohio
    Toledo is the fourth most populous city in the U.S. state of Ohio and is the county seat of Lucas County. Toledo is in northwest Ohio, on the western end of Lake Erie, and borders the State of Michigan...

    , Sandusky
    Sandusky, Ohio
    Sandusky is a city in the U.S. state of Ohio and the county seat of Erie County. It is located in northern Ohio and is situated on the shores of Lake Erie, almost exactly half-way between Toledo to the west and Cleveland to the east....

    , and Ashland
    Ashland, Ohio
    Ashland is a city in the U.S. state of Ohio and the county seat of Ashland County. The population was 21,249 at the 2000 census. It is the center of the Ashland Micropolitan Statistical Area...

    , overlay with 419 (January 1, 2002)
  • 614
    Area code 614
    Area code 614, which had covered the entire southeastern quarter of the state of Ohio for decades, now represents only the Columbus metropolitan area; it is one of the original area codes established in 1947. In 1998, most of the old 614 territory was split into the new area code 740...

     Columbus
    Columbus, Ohio
    Columbus is the capital of and the largest city in the U.S. state of Ohio. The broader metropolitan area encompasses several counties and is the third largest in Ohio behind those of Cleveland and Cincinnati. Columbus is the third largest city in the American Midwest, and the fifteenth largest city...

     (October, 1947)
  • 740
    Area code 740
    Area code 740 is a telephone area code serving southeastern and central Ohio. 740 is the area code in the Ohio cities of Athens, Belpre, Chillicothe, Circleville, Coshocton, Delaware, Gallipolis, Heath, Ironton, Jackson, Lancaster, Laurelville, Logan, Marietta, Marion, Mount Vernon, Nelsonville,...

     Central and southeastern Ohio
    Ohio
    Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

     except Columbus
    Columbus, Ohio
    Columbus is the capital of and the largest city in the U.S. state of Ohio. The broader metropolitan area encompasses several counties and is the third largest in Ohio behind those of Cleveland and Cincinnati. Columbus is the third largest city in the American Midwest, and the fifteenth largest city...

     (December 6, 1997)
  • 937
    Area code 937
    Area code 937 is a telephone area code serving much of the southwestern part of the U.S. state of Ohio and was established September 28, 1996. It covers Marysville, Springfield, Fairborn, Dayton, Hillsboro, Wilmington, Xenia, public parts of Wright-Patterson Air Force Base, and areas north and east...

     Southwestern part of Ohio
    Ohio
    Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

     including Springfield
    Springfield, Ohio
    Springfield is a city in the U.S. state of Ohio and the county seat of Clark County. The municipality is located in southwestern Ohio and is situated on the Mad River, Buck Creek and Beaver Creek, approximately west of Columbus and northeast of Dayton. Springfield is home to Wittenberg...

    , Dayton
    Dayton, Ohio
    Dayton is the 6th largest city in the U.S. state of Ohio and the county seat of Montgomery County, the fifth most populous county in the state. The population was 141,527 at the 2010 census. The Dayton Metropolitan Statistical Area had a population of 841,502 in the 2010 census...

    , public parts of Wright-Patterson Air Force Base
    Wright-Patterson Air Force Base
    Wright-Patterson Air Force Base is a United States Air Force base in Greene and Montgomery counties in the state of Ohio. It includes both Wright and Patterson Fields, which were originally Wilbur Wright Field and Fairfield Aviation General Supply Depot. Patterson Field is located approximately...

    , and areas north of Cincinnati
    Cincinnati, Ohio
    Cincinnati is a city in the U.S. state of Ohio. Cincinnati is the county seat of Hamilton County. Settled in 1788, the city is located to north of the Ohio River at the Ohio-Kentucky border, near Indiana. The population within city limits is 296,943 according to the 2010 census, making it Ohio's...

     (September 28, 1996)

Background

When the first area code plan was introduced in 1947, the state was given area codes 216, 419, 513, and 614. In 1996, 330 and 937 were added as splits. In 1998, 440 and 740 were added as splits. Most recently, in 2000, 234 and 567 were added as overlays. There are currently ten area codes serving Ohio.

An eleventh area code, 380, will cover the Columbus
Columbus, Ohio
Columbus is the capital of and the largest city in the U.S. state of Ohio. The broader metropolitan area encompasses several counties and is the third largest in Ohio behind those of Cleveland and Cincinnati. Columbus is the third largest city in the American Midwest, and the fifteenth largest city...

/Central Ohio area. A twelfth area code, 283, will cover the Cincinnati region when 513 is depleted.
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