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  2. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    There are several types of security codes and PVV (all generated from DES key in the bank in HSM modules using PAN, expiration date and service code): . The first code, 3 numbers, called CVC1 or CVV1, is encoded on track one and two of the magnetic stripe of the card and used for card present transactions, with signature (second track also contains pin verification value, PVV, but now it is ...

  3. Telephone numbers in Ghana - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Ghana

    The Ghana telephone numbering plan is the system used for assigning telephone numbers in Ghana. It is regulated by the National Communications Authority, which holds responsibility for telecommunications. Since 1 May 2010, all fixed-line numbers and mobile numbers have 9 national (significant) numbers after the '0' trunk code. [1]

  4. Telephone numbers in Vietnam - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Vietnam

    To dial a number within the same province or city, only the phone number needs to be dialed. When dialing from a different province/city or from a mobile phone, follow the format 0 + Area Code + Phone Number. At the moment, area codes may have from 2 to 3 digits, while phone numbers may have from 7 to 8 digits, in total, the land line phone ...

  5. Telephone numbers in Afghanistan - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in...

    Area codes in Afghanistan are two digits long. It is common to write phone numbers as (0xx) yyy-yyyy, where xx is the area code. The 0 prefix is for long-distance dialing from within the country. International callers should dial +93 xx yyyyyyy. Area codes for common cities are: 093 xx yyyyyyy: Afghanistan; 020 yyy yyyy: Kabul; 026 yyy yyyy ...

  6. Telephone numbers in Finland - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Finland

    The former NMT network numbers used operator code 049. Most NMT numbers were transferred to GSM numbers with format 04x0 123 456 or 0500 123 456, as there were only 6 digit subscriber numbers in NMT numbers. The area code for fixed landline subscriptions in Kymi is 05, and should not be confused with mobile numbers starting with 050.

  7. Telephone numbers in Suriname - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Suriname

    Until 1969, a system was used with 2-digit area codes and local numbers varying from 2 to 5 digits depending on the area. Around 1969/1970 this was changed to a closed numbering system with 5-digit numbers nationwide; a zero had to be dialled before the number.

  8. Telephone numbers in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    The Philippines is assigned an international dialing code of +63 by ITU-T. Telephone numbers are fixed at eight digits for area code 02, and seven digits for area codes from 03X to 09X, with area codes fixed at one, two, or three digits (a six-digit system was used until the mid-1990s; four to five digits were used in the countryside). Mobile ...

  9. Telephone numbers in Slovakia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Slovakia

    This page details the format and usage of telephone numbers in Slovakia. Today, Slovakia uses a closed numbering plan with area codes beginning with 0. After 0, there is usually a 2-digit prefix, followed by a 7-digit subscriber number. The capital, Bratislava, has one-digit prefix and an 8-digit subscriber number.