Verizon prepaid does not have a number lock feature. A number lock is a security measure that prevents the porting of your phone number to another carrier without your permission. However, Verizon does not offer this feature for their prepaid plans. If you want to port your number to another carrier or protect it from being transferred without your consent, you should consider Verizon's postpaid plans instead. With a postpaid plan, you can activate a number lock to ensure the security of your phone number. Keep in mind that unlocking your phone to use it with another carrier is still possible for both prepaid and postpaid plans after meeting certain requirements.