carphone warehouse uk have a new excellent sim only service called mobile world which lets you call ireland for 5p (stg) per min or usa for 8p. internal uk calls are actually dearer at 15p p.m.
its designed for people who call internationally from the uk and does not support roaming so wont work when you are in ireland
sim cost = 9.99stg and you get a fiver worth of credit for free with your first topup
as its a sim only service you need to have an unlocked phone to put the card in to.
its designed for people who call internationally from the uk and does not support roaming so wont work when you are in ireland
sim cost = 9.99stg and you get a fiver worth of credit for free with your first topup
as its a sim only service you need to have an unlocked phone to put the card in to.