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The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period. The program had the goal of speeding the connecting times for long-distance calling by eliminating intermediary telephone operators.
Tiffin is a city in and the county seat of Seneca County, Ohio, United States. [ 10] Developed along the Sandusky River, Tiffin is located about 55 miles (89 km) southeast of Toledo. The population was 17,953 at the 2020 census . It is the home of Heidelberg University and Tiffin University.
In 2015, area code 740 was overlaid with 220, relieving its rapid depletion. In 2016, area code 614 was overlaid with 380 in the Columbus/Central Ohio area for the same reason. In 2020, 326 was added as an all services overlay for 937. Area code 283 was added as an overlay for 513 on April 28, 2023. [ 2][ 3] Area code 436 went into service on ...
Area code 740 was established by an area code split of area code 614 on November 8, 1997. [1] By the end of 2013, exhaust studies indicated that the 740 area code would run out of telephone numbers sometime in 2015. The Public Utilities Commission of Ohio chose a relief plan by implementing an overlay with new area code 220, effective April 22 ...
Area codes 419 and 567. Coordinates: 41.663938°N 83.555212°W. The regions shown in blue are in Ohio. Area codes 419 and 567 are telephone area codes in the North American Numbering Plan (NANP) for the northwestern part of the U.S. state of Ohio. The largest city served by these area codes is Toledo (and its suburbs of Holland, Maumee ...
Area codes 513 and 283. Coordinates: 39°15′N 84°30′W. The regions shown in blue are in Ohio. 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 ...
Area codes 937 and 326. Coordinates: 39°55′20.3″N 83°49′35.4″W. The regions shown in blue are in Ohio. Area codes 937 and 326 are telephone area codes in the North American Numbering Plan (NANP) assigned to a numbering plan area (NPA) that encompasses much of the southwestern part of the U.S. state of Ohio, including Dayton and ...
Area code 330 was established on March 9, 1996 in an area code split of area code 216. It was Ohio's first new area code since the creation of NANP in 1947. Area code 234, originally planned as the relief code for the Jacksonville, Florida area, was established on October 30, 2000, to form an overlay plan for the service area. Ten-digit dialing ...