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IMEI number is a unique identifier for mobile phones and some satellite phones. It can be used to block stolen phones, track devices, or access regulatory information. Learn how IMEI number works, how to find it, and how it differs from IMSI number.
Learn about the history and usage of fictitious telephone numbers in movies, music and other media. Find out why 555-555-5555 is not a valid number in North America and what are some examples of famous phone numbers.
Learn how to turn off 2-step verification and receive a verification code to sign into your AOL account. You can use phone verification or authenticator app verification to add an extra security step.
A Type Allocation Code (TAC) is the first eight digits of the IMEI or IMEISV code of a wireless device. It identifies the model and manufacturer of the device and is assigned by the GSMA or other standards bodies.
Learn how to dial phone numbers in Argentina, including the country code +54, the area codes, the mobile prefix 15, and the trunk code 0. Find out the recent changes and the number portability status in the country.
Learn about the telephone number prefixes for reaching foreign countries or areas via international telecommunication networks. Find out the country code for Ghana (233) and other countries by zone and region.
555 is a central office code in the North American Numbering Plan, used for directory assistance and fictional numbers in media. Learn about its history, usage, and examples of 555 numbers in TV shows, films, and songs.
A personal unblocking key (PUK) is used to reset a PIN on a SIM card. Learn how to use PUK, when to use it, and what happens if you enter the wrong PUK.