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The 317 and 463 area codes covers the Metro Indianapolis area. The counties covered by 317 are Boone County, Hancock County, Hamilton County, Hendricks County, Johnson County, Marion County, Morgan County and Shelby County. 317 covered all of Northern and Central Indiana until 1948, when 219 was created. Central Indiana remained under the 317 ...
this was the first part of North America to have its code changed three times: from 213 to 714 1951: to 619 in 1982, and to 760 in 1997. was to have originally split off the portion of 760 serving San Diego County to a new 442 area code in late 2008/early 2009; that plan was cancelled. 2009: overlaid by 442. 761.
Indiana's code is 18, which when combined with any county code would be written as 18XXX. The FIPS code for each county links to census data for that county. [5] In Indiana, the most commonly seen number associated with counties is the state county code, which is a sequential number based on the alphabetical order of the county.
Lists of North American area codes. The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union .
Area code 574. Coordinates: 41.281935°N 86.421433°W. Area Code map for all of Indiana. Area code 574 is a telephone area code in the North American Numbering Plan (NANP) for the northern part of the U.S. state of Indiana. It was created in a three-way area code split from area code 219 in 2002.
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.
The eastern portion, centered on Fort Wayne, became area code 260. The area codes split on January 15, 2002. Permissive dialing of 219 continued across northern Indiana until June 14, 2002. [2] Prior to October 2021, area code 219 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing ...
Michiana, a portmanteau of "Michigan" and "Indiana", is a loosely defined sub-region that spans southwestern Michigan and Northern Indiana's north-central counties.It is centered on the South Bend–Elkhart–Mishawaka Combined Statistical Area and generally corresponds with Area code 574.