This article explains two ways to change the number on your Android device without having to buy a new phone.
How to Change Your Phone Number on Android!
The first and one of the easiest methods requires that you get a brand new SIM (Subscriber Identity Module) card. The SIM card contains all of the information that links your phone service to your carrier. This includes your phone number and other important account information. So you can change your phone number by inserting a new SIM card that is tied to a different phone number.
This is an easier method if you’re using an unlocked phone that can be used on multiple networks, as you can simply order a SIM card from a new carrier and then insert it into the phone. If you order a new SIM card from your current carrier or are using a phone with an eSIM, you’ll need to speak to a customer service representative to change your phone number.
The second method you can use to change your phone number is to contact your service provider. Most people will find this to be the best way.
