If you are looking to port Jio to BSNL SIM amid these high prices while keeping your current number, then Mobile Number Portability (MNP) is the solution. Port Jio to BSNL Obtain a Unique Porting Code (UPC) by sending an SMS to 1900 from your registered Jio number. Visit a BSNL store with your UPC and necessary documents to complete the porting request. Replace your Jio SIM with the new BSNL SIM once the porting process is complete. Want to port mobile number from Jio to BSNL? This guide will walk you through the process. (Representative image) (REUTERS) Learn how to port your mobile number from Jio to BSNL seamlessly with our step-by-step guide.