Search results
Results from the WOW.Com Content Network
Although the original purpose for the number was for the Social Security Administration to track individuals, [1] the Social Security number has become a de facto national identification number for taxation and other purposes. [2] A Social Security number may be obtained by applying on Form SS-5, Application for a Social Security Number Card. [3]
The first automated toll-free telephone numbers were assigned with area code 800, created as inbound Wide Area Telephone Service (InWATS) in 1966 (U.S. intrastate) and 1967 (interstate). These terminated on special fixed-rate trunks which would accept calls from a specified calling area with either no limit or a specific maximum number of hours ...
A numbering plan area with multiple area codes is called an overlay. 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).
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.
Some mobile telephone numbers from the 1990s assigned to communities in the area surrounding 617 (which is now the 781 area code) kept the 617 area code after the split. Area code 508 was split from 617 on July 16, 1988. Area code 978 subsequently split from 508 on September 1, 1997. Area code 781 was split from 617 on September 1, 1997.
Area code 613 is one of the 86 original North American area codes assigned in October 1947. Area code 343 was assigned to the numbering plan area in an overlay plan activated on May 17, 2010. Area code 753 was assigned as an additional overlay code for the numbering plan area, activated on March 26, 2022.
However, Verizon wanted to spare its customers the burden of changing telephone numbers. Area code 551 was created in 2001 to overlay 201, along with area codes 862 and 848, which overlay area codes 973 and 732, respectively. [12] With the implementation of the overlays on December 1, 2001, ten-digit dialing became mandatory in Northern New Jersey.
A DOD identification card number usually matches the holder's Social Security Number. However, on June 1, 2011, the DOD began phasing out use of the SSN to protect service members' identities. [ 18 ] It was replaced with a 10-digit DOD ID Number and a 12-digit Benefits ID Number.