The process of transferring a telephone number from a traditional home phone service to a mobile network is a common practice. This action enables individuals to maintain their existing phone number while switching to cellular communication. For example, a user who discontinues their landline service with a provider such as Verizon or AT&T can then assign that same number to their T-Mobile or other mobile service account.
Retaining an established telephone number offers several advantages. It minimizes disruption for contacts, preserving familiar communication channels. This is particularly valuable for businesses or individuals who have widely distributed their number. Historically, this capability has evolved from regulatory changes promoting competition and consumer choice in telecommunications, offering users greater flexibility in service selection.