With the advent of smartphones

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Unlike landlines, which are tied to a specific geographic location, mobile numbers are assigned to individuals and can be used anywhere within their mobile network coverage. This shift requires changes to numbering plans and the introduction of new technologies, such as mobile number portability (MNP), which allows users to keep their phone number when changing service providers.


Phone numbers are used for more than just voice bahamas phone number library communications. and the Internet, they have become the core of a variety of digital services. For example, many online platforms use phone numbers for two-factor authentication (2FA), sending a verification code via text message to confirm the user’s identity.


Phone numbers are also used to link devices in messaging apps like WhatsApp and Signal, where they serve as a unique identifier for a user in the absence of a traditional username. The relationship between phone numbers and privacy has become a key issue in the digital age.