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  2. Telephone numbers in Vietnam - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Vietnam

    Mobile telephone numbers. [1] [2] In Vietnam, mobile phone numbers follow the format 09x-xxxxxxx or new prefixes: 03x, 05x, 07x, 08x. The first 0 is the trunk code. The next 2 digits ( 3x, 5x, 7x, 8x or 9y) specify the mobile phone operator. Some mobile phone operators have been given more than one operator code. In Circular No. 22/2014/TT ...

  3. International Bank Account Number - Wikipedia

    en.wikipedia.org/wiki/International_Bank_Account...

    The International Bank Account Number ( IBAN) is an internationally agreed upon system of identifying bank accounts across national borders to facilitate the communication and processing of cross border transactions with a reduced risk of transcription errors. An IBAN uniquely identifies the account of a customer at a financial institution. [1]

  4. Telephone numbers in the Republic of Ireland - Wikipedia

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

    00 800– Freephone / toll free (from all Irish mobile and landlines. 8-digit numbers in the format 00 800 xxxx xxxx. Where high volume 'bursty traffic' is anticipated, such as on-air radio competition lines, the first two digits of the phone number are always 71. For example:1800 71x xxxor 0818 71x xxx.

  5. Grashof number - Wikipedia

    en.wikipedia.org/wiki/Grashof_number

    The ratio of the Grashof number to the square of the Reynolds number may be used to determine if forced or free convection may be neglected for a system, or if there's a combination of the two. This characteristic ratio is known as the Richardson number (Ri). If the ratio is much less than one, then free convection may be ignored.

  6. Customer Service System - Wikipedia

    en.wikipedia.org/wiki/Customer_Service_System

    Customer Service System. The Customer Service System ( CSS) of the BT Group (previously British Telecommunications) is the core operational support system for BT, bringing in 70% of income for the company (figures from 1997). BT rolled out CSS nationally in 1989 and provided an integrated system for telephony—order handling, repair handling ...

  7. The Moor's Account - Wikipedia

    en.wikipedia.org/wiki/The_Moor's_Account

    The Moor's Account is a fictional memoir of Estebanico, the Moroccan slave who survived the Narvaez expedition and accompanied Cabeza de Vaca. He is widely considered to be the first African explorer of America, but little is known about his early life except for one line in Cabeza de Vaca's chronicle: "The fourth [survivor] is Estebanico, an Arab Negro from Azamor."

  8. Telephone numbers in Ukraine - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Ukraine

    This is a discussion of telephone numbers in Ukraine. The nation of Ukraine has country code +380. It switched to the European Union 's common dialing plan in 2009. Thus, Ukrainian phone numbers consist of a 2-digit zone code, an optional subzone code, an optional filler (zero to two "2 " 's), and the local phone number (five to seven digits).

  9. BT Group - Wikipedia

    en.wikipedia.org/wiki/BT_Group

    BT Group plc (formerly British Telecom) is a British multinational telecommunications holding company headquartered in London, England. It has operations in around 180 countries and is the largest provider of fixed-line, broadband and mobile services in the UK, and also provides subscription television and IT services. [5]