Area code 765 is a telephone

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...

in the

North American Numbering Plan The North American Numbering Plan (NANP) is an integrated 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, World Numbering Zone ...

(NANP) for the central part of the U.S. state of

Indiana Indiana ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Michigan to the northwest, Michigan to the north and northeast, Ohio to the east, the Ohio River and Kentucky to the s ...

. The numbering plan area comprises a horseshoe-shaped region of twenty counties in Central Indiana except for the

Indianapolis Indianapolis ( ), colloquially known as Indy, is the List of capitals in the United States, capital and List of municipalities in Indiana, most populous city of the U.S. state of Indiana and the county seat of Marion County, Indiana, Marion ...

area, which is served by area codes 317 and 463. Some cities included are Anderson, Connersville, Crawfordsville, Frankfort, Greencastle, Kokomo, Lafayette, Marion, Muncie, New Castle, Richmond, and West Lafayette. The area code was created in 1997 in a split of area code 317.

History

In 1947, American Telephone and Telegraph (AT&T) published the first configuration of proposed numbering plan areas (NPAs) for a new nationwide numbering and toll call routing system. Indiana was divided to receive two area codes. Area code 317 served the northern two-thirds of Indiana, while

area code 812 Area codes 812 and 930 are telephone area codes in the North American Numbering Plan (NANP) for the southern third of the state of Indiana. The numbering plan area (NPA) includes Evansville and most of its suburbs, the Indiana portions of t ...

served the southern third. In the first change of the original plan in 1948, 317 was cut back to central Indiana, while the northern third of Indiana, including Gary, Hammond, East Chicago,

South Bend South Bend is a city in St. Joseph County, Indiana, United States, and its county seat. It lies along the St. Joseph River (Lake Michigan), St. Joseph River near its southernmost bend, from which it derives its name. It is the List of cities in ...

, Elkhart and

Fort Wayne Fort Wayne is a city in Allen County, Indiana, United States, and its county seat. Located in northeastern Indiana, the city is west of the Ohio border and south of the Michigan border. The city's population was 263,886 at the 2020 United S ...

, received area code 219. Prior to 1996, numbering plan area 317 consisted of all of Central Indiana. Eventually, population growth and increased demand for telecommunication services required an area code split to provide more central office prefixes for the region. Beginning on February 1, 1997, with mandatory dialing effective June 28, the greater Indianapolis area retained area code 317 and the remainder of Central Indiana received the new area code 765.http://www.sbc.com/gen/general?pid=1718&phase=check SBC information. Accessed May 11, 2006 The creation of 765 came amid some fanfare, as it was Indiana's first new area code in 49 years.

Service area

;Entire counties: * Blackford County * Clinton County * Delaware County * Fayette County * Fountain County * Grant County * Henry County * Howard County * Montgomery County * Parke County * Putnam County * Randolph County * Rush County * Tippecanoe County * Tipton County * Warren County * Wayne County * Union County * Vermillion County ;Partial counties: * Benton County * Boone County * Carroll County * Clay County * Decatur County * Franklin County * Hancock County * Hamilton County * Hendricks County * Jay County * Madison County * Miami County * Morgan County * Shelby County * Wabash County * Wells County * White County * Vigo County

References

{{DEFAULTSORT:Area Code 765 765 765