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Overview. Mobile number portability is implemented in varying ways across the globe. The international and European standard implements "recipient-led" porting, in which a customer wishing to port a telephone number contacts the new network (recipient), which sends the number portability request (NPR) to the current network operator (donor).
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 71 x xxx or 0818 71 x xxx.
Landline telephone companies' customer service numbers have been normalized as 103, followed by a two-digit code. For example, Embratel customers contact the company's customer service dialing 103-21. For most mobile carriers, the number is 105, followed by a one-digit code (e.g., 105-2 for Claro).
227 (two hundred [and] twenty-seven) is the natural number between 226 and 228. It is also a prime number. In mathematics. 227 is a twin prime and the start of a prime triplet (with 229 and 233). It is a safe prime, as dividing it by two and rounding down produces the Sophie Germain prime 113.
The area code 700 is used for personal numbering. Unlike national subscriber numbers, the numbers are assigned individually, allowing for memorable numbers. 800-xxxxxxx. The area code 800 is assigned to freephone numbers. The numbers are assigned individually, allowing for memorable numbers. 900-x-xxxxxx.
Until August 3, 2019, telephone numbers in Mexico consisted of ten digits with either two-digit area codes (for Mexico City, Monterrey, and Guadalajara and their respective metropolitan areas) or three-digit area codes for the rest of the country. New area codes were assigned in the overlay format to address number exhaustion: in 2017, Toluca ...
2 BoB is a discount service of A1. yesss! was a discount service of Orange, now sold to A1. Eety is a discount service of Orange (now 3). Due to Mobile number portability, the code is not an accurate way to determine the provider of a mobile phone number. The providers assign only in exceptional cases (special sort of custom numbers, more ...
The symbol # is known variously in English-speaking regions as the number sign, hash, or pound sign. The symbol has historically been used for a wide range of purposes including the designation of an ordinal number and as a ligatured abbreviation for pounds avoirdupois – having been derived from the now-rare ℔ .