Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/List_of_original_NANP_area_codes> ?p ?o }
- List_of_original_NANP_area_codes abstract "This is the list of original North American Numbering Plan area codes of 86 plan areas as defined by AT&T in 1947.In preparation for direct distance dialing, AT&T and the Bell System developed the North American Numbering Plan in the 1940s. The plan divided the United States and Canada into numbering plan areas (NPAs) and assigned a three-digit dialing prefix to each. Over the course of the decade following introduction of these routing codes, local subscriber numbers were standardized to seven digits. This included a three-digit central office prefix, dialed as the first two letters of the local exchange name and one digit, and the four-digit subscriber line number.The original numbering plan defined the second digit of all area codes as either 0 or 1, to distinguish them from the local telephone exchange prefixes, which were assigned digits 2 through 9 in the second position. Area codes with a middle digit 0 (zero, ten dial pulses) were assigned to plan areas that covered an entire state or province, while jurisdictions with multiple plan areas received area codes having 1 (one, a single pulse) in the second digit. This permitted long distance calls to be dialed within the same area code as a seven digit subscriber number without the area code.The most prominent, frequently called population centers were assigned digit sequences with the shortest dial time on rotary dial telephones. The dialing time was determined by the amount of rotation of the dial that was needed to dial each digit. Digits 1 to 9 produced the corresponding number of pulses, and 0 resulted in ten pulses. For example, New York City was assigned area code 212 (five pulses), Los Angeles 213 (six pulses), Chicago 312 (six pulses), and Detroit 313 (seven pulses), while the area code with the lowest number, 201, produced 13 pulses (2+10+1). Adjacent areas were generally assigned codes that were not easily confused with one another, to minimize wrong numbers.No codes of the form N00, N10 or N11 occur in the original set, with N=2, 3, ..., 9. The series N00 was used for non-geographic numbers, starting with intrastate toll-free 800-numbers in 1966. N10 numbers were originally teletypewriter exchanges and N11 remains reserved for information and emergency numbers. No codes were originally assigned to Alaska and Hawaii, as neither were US states at the time, or Puerto Rico.Initially, the codes were used by long-distance operators for trunk calls while preparations proceeded for end-customer direct distance dialing. The first customer-dialed call using an area code was placed on November 10, 1951, from Englewood, New Jersey, to Alameda, California. Direct distance dialing was gradually implemented throughout the continent. By the mid-1960s, direct distance dialing was commonplace in large cities.".
- List_of_original_NANP_area_codes wikiPageID "23393419".
- List_of_original_NANP_area_codes wikiPageLength "10567".
- List_of_original_NANP_area_codes wikiPageOutDegree "238".
- List_of_original_NANP_area_codes wikiPageRevisionID "706697181".
- List_of_original_NANP_area_codes wikiPageWikiLink AT&T.
- List_of_original_NANP_area_codes wikiPageWikiLink Alabama.
- List_of_original_NANP_area_codes wikiPageWikiLink Alameda,_California.
- List_of_original_NANP_area_codes wikiPageWikiLink Albany,_New_York.
- List_of_original_NANP_area_codes wikiPageWikiLink Alberta.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_202.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_205.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_206.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_207.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_208.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_213.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_216.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_217.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_218.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_302.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_307.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_312.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_313.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_314.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_315.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_316.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_319.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_401.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_403.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_404.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_405.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_406.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_412.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_413.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_414.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_501.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_502.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_504.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_505.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_513.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_515.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_517.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_518.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_602.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_603.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_604.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_605.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_612.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_616.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_618.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_701.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_712.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_716.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_717.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_802.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_803.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_814.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_816.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_901.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_913.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_914.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_915.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_code_916.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_201_and_551.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_203_and_475.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_204_and_431.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_212_and_646.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_214,_469,_and_972.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_215_and_267.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_240_and_301.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_281,_346,_713,_and_832.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_303_and_720.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_304_and_681.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_305_and_786.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_306_and_639.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_317_and_463.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_402_and_531.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_415_and_628.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_416,_647,_and_437.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_418_and_581.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_419_and_567.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_503_and_971.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_512_and_737.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_514_and_438.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_571_and_703.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_601_and_769.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_613_and_343.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_614_and_380.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_617_and_857.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_702_and_725.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_704_and_980.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_715_and_534.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_801_and_385.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_812_and_930.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_815_and_779.
- List_of_original_NANP_area_codes wikiPageWikiLink Area_codes_902_and_782.
- List_of_original_NANP_area_codes wikiPageWikiLink Arizona.
- List_of_original_NANP_area_codes wikiPageWikiLink Arkansas.
- List_of_original_NANP_area_codes wikiPageWikiLink Austin,_Texas.
- List_of_original_NANP_area_codes wikiPageWikiLink Bell_System.