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Find the telephone dialling codes for different areas and services in the United Kingdom, based on the official standard maintained by Ofcom. Learn the history and changes of the UK phone code system, from the international prefix 00 to the area codes 01, 02, and 03.
In India, mobile numbers (including pagers) on GSM, WCDMA, LTE and NR networks start with either 9, 8, 7 or 6.Each telecom circle is allowed to have multiple private operators; earlier it was two private + BSNL/MTNL, subsequently it changed to three private + BSNL/MTNL in GSM; now each telecom circle has all four operators including Reliance Jio, Bharti Airtel, Vodafone idea ltd and BSNL/MTNL.
Learn about the hidden features and messages in Google products and services, such as Google Search, YouTube, and Android. Find out how to trigger the Pac-Man doodle, the baby yoda button, the asteroid effect, and more.
The Nokia 1100 and 1110 are the best-selling handsets with over 250 million units each. See the full list of top-selling mobile phones by manufacturer, model, form factor, smartphone status and year.
A comprehensive overview of the eight sovereign states that have publicly acknowledged or are presumed to possess nuclear weapons, their number, year of first test, and delivery method. Also includes information on former nuclear states, treaties, and global stockpiles.
The Electoral College is the group of presidential electors that votes for the president and vice president every four years in the U.S. The number of electors each state has depends on its congressional delegation, and a majority of 270 or more is required to win.
The CIA is a civilian foreign intelligence service of the U.S. government that gathers, analyzes, and acts on national security information from around the world. It was created in 1947 and reports to the director of national intelligence, while also conducting covert operations and influencing foreign politics.
A transcendental number is a real or complex number that is not algebraic, such as π and e. The web page explains the history, properties and examples of transcendental numbers, and their relation to algebraic numbers and functions.