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Look up official contact information online and call that number to verify the legitimacy of the initial call. To further protect yourself, enable spam-blocking features on your phone.
Find the mobile prefixes for different countries and territories, including Afghanistan, Åland, Algeria, American Samoa, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Ascension Island, Australia, Austria, etc. The web page also shows the international calling codes, the size of NN (NSN), and the carriers for each prefix.
609 is one of the area codes for New Jersey, covering parts of Bergen and Hudson counties. It was created in 1947 and split from 201 in 1956. See the full list of NANP area codes and their history on Wikipedia.
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.
A file signature, also known as a magic number or magic byte, is a data used to identify or verify the content of a file. This web page lists various file signatures and their hexadecimal, ISO 8859-1, and extension codes.
Learn about the origins and evolution of mobile phones, from the first handheld device in 1973 to the smartphones of today. Find out how mobile phones work, what services they offer, and how they have changed the world.
Learn about the definition, formalization and examples of corner detection, a computer vision technique to extract features and infer image contents. Compare different algorithms such as Moravec, Harris, Shi-Tomasi and SUSAN, and their advantages and drawbacks.
The web page lists the International Olympic Committee (IOC) country codes for 206 current and past National Olympic Committees (NOCs). The code for Indonesia is INA, which was used from 1960 to 1968.