Area code 513
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North American area code 513 serves southwest Ohio including Cincinnati and many surrounding cities, such as Forest Park, Hamilton, Lebanon, West Chester, Mason, Maineville, Middletown, Norwood, Oxford, Harrison, Cleves, Miamitown, Trenton, and St. Paris.
Area code 513 is one of the original area codes established in 1947, and originally designated a numbering plan area that comprised the entire southwest quadrant of the state. A new area code 283 was assigned to overlay the current 513 area, but the implementation has been delayed as area code 513 has yet to be depleted of available numbers because the blame was on number pooling. As projected, 283 will not need to be implemented until at least 2024. This makes Cincinnati one of the largest cities where seven-digit dialing is still possible.
Originally, 513 was slated to cover the western third of Iowa—basically, everything west of Des Moines. Cities designated for coverage included Sioux City and Council Bluffs. Instead, they ended up getting 712.
Very similar to how Manhattan is known as "212", Cincinnati is sometimes colloquially referred to as the "513".
- Pending Area Code Exhausts Archived September 29, 2006, at the Wayback Machine. The Public Utilities Commission of Ohio. October 2006.
- The U.S. Government History of Area Codes. November 2007 Archived August 1, 2013, at the Wayback Machine
|Ohio area codes: 216, 220/740, 234/330, 380/614, 419/567, 440, 513, 937|
|West: 812/930, 765||area code 513/283||East: 937/326|
|Indiana area codes: 219, 260, 317, 574, 765, 812/930|
|Kentucky area codes: 270/364, 502, 606, 859|