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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 ...
Ohio (Cincinnati, Middletown, Hamilton, Lebanon, and parts of southern and southwestern Ohio; this area code used to also include Dayton) 1947: 1996: split to create 937; 2023: to be overlaid by 283; 514: Quebec (Montreal metropolitan area) 1947: 1957: split to create 819; 1998: split to create 450; 2006: overlaid by 438; 2022: overlaid by 263; 515
New area code Affected NPA Jurisdiction Projected exhaust date Effective date 257: 236/672/778, 604, 250: British Columbia: 2025 – 4th Qtr May 24, 2025: 357: 559: California: 2025 – 3rd Qtr March 26, 2025: 457: 318: Louisiana: 2026 – 1st Qtr September 25, 2025: 471: 662: Mississippi: 2026 – 3rd Qtr TBD 483: 334: Alabama: 2026 – 3rd ...
407. Central Florida. In addition to being the sole area code in the Space Coast region around the Kennedy Space Center, this is the only partial overlay area code in North America. 323. 213. Central Los Angeles, incl. Downtown L.A. and Hollywood. 326. 937. Southwest Ohio.
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, Maineville, Middletown, Milford, Norwood, Oxford, Harrison, Cleves, Miamitown and Trenton.
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 Springfield. Area code 937 was established in September 1996, in a split of area ...
Thus, NXX is a number from 200 through 999, while XXXX is a range from 0000 through 9999. The first three digits of a telephone number are the numbering plan area code (NPA code, or simply NPA). The next three, NXX, identify the central office and the last four digits are the line number of an individual office.
1. International access. 011. List of dialing codes. The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably ...