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Mobile phones use geographic area codes (two digits): after that, all numbers assigned to mobile service have nine digits, starting with 6, 7, 8 or 9 (example: 55 15 99999–9999). 90 is not possible, because collect calls start with this number.
Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, originally termed International Codes by the International Telegraph and Telephone Consultative Committee (C.C.I.T.T.) in 1960, [1] but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone ...
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.
Look at the area code: Start by comparing the phone number’s area code to the list of area codes you should never answer. If it’s on the list, there’s a good chance there’s a scammer on ...
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
Spy Dialer is a free reverse phone lookup service that accesses public databases of registered phone numbers to help users find information on cell phone and landline numbers and emails.
former Manitoba Telephone System; CDMA shut down 30 Apr 2019; MNC withdrawn [39] 302: 656: TBay: Thunder Bay Telephone Mobility: Not operational: CDMA: CDMA shut down 1 October 2014; [58] MNC withdrawn [39] 302: 657: Telus: Telus Mobility: Not operational: CDMA 800 / CDMA 1900: CDMA shut down 31 May 2017; [51] MNC withdrawn [39] 302: 660: MTS ...
Washington, D.C. (area code 202) to adjacent areas of Maryland (area code 301) and Virginia (area code 703), discontinued on October 1, 1990, to allow assignment of a code in all three area codes. Hull from Ottawa (before 2006, as every Ottawa-Hull local number originally was reserved in both area code 613 and 819 ). [ 1 ]