What is Number Reservation April 07, 2022 21:29 Updated Number reservation allows you to reserve your existing number to avoid sim being terminated due to dormancy or inactivity. Related articles How do I activate number reservation What is the charge for number reservation? Can I convert pulse SMS to data bundle? What is MTN Pay4me? How do I register my SIM card(s)? Comments 0 comments Please sign in to leave a comment.