Search results
Results From The WOW.Com Content Network
Area codes 615 and 629 are area codes in Tennessee serving Nashville (Davidson County) and the 12 surrounding counties. 615 is the main area code, while 629 is an overlay covering the same area that began service in 2014. Murfreesboro, Franklin, Brentwood, Gallatin, Hendersonville, and Lebanon are other major cities in the 615/629 service ...
Map of all Tennessee area codes. 423 - Chattanooga, Johnson City, Kingsport, Bristol: Initially split from 615 in 1995. 615 and 629 (overlay) - Greater Nashville, including Murfreesboro, Mount Juliet: 615 initially split from 901 in a 1954 flash-cut. The 629 overlay for the entire area code was made effective in 2015
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
Area code 415 has been split three times due to the Bay Area's rapid economic growth and demand for telecommunication services: On March 1, 1959, area code 707 was created from the northern part, and area code 408 was created for San Jose, the South Bay, the Monterey Bay, and the Salinas Valley.
To find the poorest area codes, the bottom-three lowest mean incomes per area code were averaged to come up with mean income for the entire area code. Only area codes with at least three high ...
In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes : 213 , 415 , and 916 , for the southern, central, and northern parts of the ...
When dialing a telephone number, the area code may have to be preceded by a trunk prefix or national access code for domestic calls, and for international calls by the international access code and country code. Area codes are often quoted by including the national access code. For example, a number in London may be listed as 020 7946 0321.
An area code overlay is a numbering plan area (NPA) in the North American Numbering Plan (NANP) that has multiple area codes assigned. Overlay complexes are used to add central office prefixes in an NPA to increase the number of available telephone numbers .