Universal International Freephone Number
What is UIFN? A Universal International Freephone Number (UIFN) enables an International Freephone Service (IFS) customer to be allocated a unique freephone number(s) that is the same throughout the world. A UIFN is composed of a three-digit country code for global service application, i.e. 800, followed by an 8 digit Global Subscriber Number (GSN), resulting in an 11-digit fixed format. (An IFS caller must dial […]