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  2. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad using the ITU E.161 standard. A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s that replaced ...

  3. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    All telephone numbers in Iran have 11 digits (initial 0 and ten digits). The first two or three digits after the zero are the area code. The possibilities are: (0xx) xxxx xxxx (for landlines), 09xx xxx xxxx (for cellphones) and 099xx xxx xxx (for MVNO ). When making a call within the same landline area code, initial 0 plus the area code must be ...

  4. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.

  5. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    268 7xx. 10. NANP member. Argentina. +54. 9/15. 10. All carriers: Claro, Movistar, Personal, Tuenti. 15 before the local number but after long distance area code for national calls (0 11 15 xxxx-xxxx) and 9 placed after the international access code excluding the 15 for international calls (+54 9 11 xxxx-xxxx).

  6. Phoneword - Wikipedia

    en.wikipedia.org/wiki/Phoneword

    Phoneword. Many telephone keypads have letters with the numbers, from which words can be formed. Sign in Argentina giving the number 0800 555 8736 as 0800 555 TREN. Phonewords are mnemonic phrases represented as alphanumeric equivalents of a telephone number. [1] In many countries, the digits on the telephone keypad also have letters assigned.

  7. List of international call prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_international_call...

    Cambodia (001 – Telecom Cambodia, 007 – Royal Telecom International) Colombia (005, 007, 009) Indonesia (001, 007, 008) South Korea (see Telephone numbers in South Korea#International call carrier codes) Taiwan (see Telephone numbers in Taiwan#International dialling) Thailand (see Telephone numbers in Thailand#International dialling) 010 ...

  8. Telephone numbers in the United Kingdom - Wikipedia

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

    In the United Kingdom, telephone numbers are administered by the Office of Communications ( Ofcom ). For this purpose, Ofcom established a telephone numbering plan, known as the National Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations. Telephone numbers are of variable length.

  9. iPhone finally gets copy and paste! - Engadget

    www.engadget.com/2009-03-17-iphone-finally-gets...

    No surprises here: Apple just announced that iPhone OS 3.0 will support copy and paste. A double-tap auto-selects the text you want with movable "grab points," and a pop-up edit bar display ...