The good news is, yes—wireless carriers cannot keep you from taking your number with you. In the industry, it's often referred to as “porting out,” but we just call it “transferring” because we aren't big fans of tech jargon around here (we do love the word “jargon” though).
Keeping your number when switching is called 'porting' your number, and if you wish to switch and keep your old number, you need to contact your current provider and request a Porting Authorisation Code (PAC). This is a numerical code that you must then give to your new provider.
Mobile number portability lets you keep your existing mobile number when changing service providers. Taking your number to another provider is known as 'porting'. Porting means you can shop around for the best mobile rates and services without the hassle of having to change your mobile number.
Mobile Number Portability (MNP) is the ability for customers to switch to a new mobile service provider, while retaining their existing mobile number. What is “Porting”, “Port-in” and “Port-out”? "Porting" is the act of switching to a new mobile service provider without having changed one's mobile number.
Keeping your phone number when you change network is known as porting your number, and to do this you need a porting authorisation code - or PAC code. You give this code to your new provider and they handle the transfer of your number as well as the cancellation of the service from your current provider.
Do not terminate your service with your existing company before initiating new service with another company. Contact the new company to start the process of porting your number. Provide the new company with your 10-digit phone number and any additional information required.
Keeping your number when switching is called 'porting' your number, and if you wish to switch and keep your old number, you need to contact your current provider and request a Porting Authorisation Code (PAC). This is a numerical code that you must then give to your new provider.