Find out how to swap your existing Spark number to a new SIM card if your phone is lost, stolen or you need a SIM card in a different size.
If you recently had a replacement SIM card delivered to you from our contact centre or through the online store, please call 0800 785 785 to activate it.
If you bought a replacement SIM through a supermarket or other convenience store and you'd like to swap your number onto the SIM you must visit one of our Spark stores. Find a Spark store
Please bring an ID such as a drivers licence, passport or 18+ card.