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Ranges for fictitious telephone numbers are common in most telephone numbering plans. One of the main reasons these ranges exist is to avoid accidentally using real phone numbers in movies and television programs because of viewers frequently calling the numbers used.
The central office code is also used for fictitious telephone numbers in North American television shows, films, video games, and other media in order to prevent practical jokers and curious callers from bothering telephone subscribers and organizations by calling telephone numbers they see in works of fiction.
Telephone numbers in Nigeria use an open numbering plan. They are composed of a combination of an area code and a local line or subscriber telephone number. Area codes consist of one digit ( Lagos, Ibadan and Abuja) or two digits.
Caller ID spoofing is a spoofing attack which causes the telephone network's Caller ID to indicate to the receiver of a call that the originator of the call is a station other than the true originating station. This can lead to a display showing a phone number different from that of the telephone from which the call was placed.
Random number generators are important in many kinds of technical applications, including physics, engineering or mathematical computer studies (e.g., Monte Carlo simulations), cryptography and gambling (on game servers ). This list includes many common types, regardless of quality or applicability to a given use case.
Italian telephone numbers are defined by an open telephone numbering plan that assigns subscriber telephone numbers of six to eleven digits. In addition, other short codes are used for special services.
This is a discussion of telephone numbers in Vietnam. Vietnam 's country code is +84. There are many area codes for landlines, as well as a separate format for mobile phone numbers. The five emergency phone numbers are 111 ( child protection ), 112 (lifesaving services), 113 ( police ), 114 (fire), and 115 (first aid).
In 2019, a U.K.-based energy firm's CEO was scammed over the phone when he was ordered to transfer €220,000 into a Hungarian bank account by an individual who reportedly used audio deepfake technology to impersonate the voice of the firm's parent company's chief executive.
A pseudorandom number generator (PRNG), also known as a deterministic random bit generator (DRBG), is an algorithm for generating a sequence of numbers whose properties approximate the properties of sequences of random numbers.
Telephone numbers in the Netherlands are administered by the Ministry of Economic Affairs, Agriculture and Innovation of the Netherlands. The telephone numbering plan may be grouped into three general categories: geographical numbers, non-geographical numbers, and numbers for public services.