Originally Posted by
ghostrider72
Or simply use this option: get a Piranha Mobile sim card. They provide a US and a UK number on the same sim (plus, with your request, they can set a different clid - caller id - for outgoing calls). You forward your calls to this US number and can roam worldwide with better costs.
So I can setup my iPhone (6 plus) to the Piranha US number, then swap out the SIM card with the Piranha one and calls will still forward?