No. No, you don't technically "own" your mobile phone number. When you sign up for cellular service, you are essentially leasing or renting the number from your service provider. Here's a breakdown: 1. **Usage Rights:** You have the right to use the number, but it is still managed and controlled by the carrier. 2. **Portability:** In many regions, including the U.S., you have the right to "port" or transfer your number to another service provider, thanks to regulations that promote competition and consumer choice. This means if you switch carriers, you can usually take your number with you. 3. **Discontinuation:** If you terminate your service or don't pay your bill, the carrier can reassign the number to another customer after a certain period. Additionally, if you don't use a prepaid number for an extended time, carriers might reclaim and reassign it. 4. **Carrier's Right:** Carriers can also change your number under certain circumstances, although this is rare and typically comes with notice unless it's due to fraud or other significant issues. In summary, while you have rights to use and port your phone number, it is not something you "own" in the traditional sense. *moshadetoro thought it but *FatAi wrote it.