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Many people choose Google Voice for one very good reason: inexpensive international calling. Calls inside the U.S. and Canada are free with Google Voice, but international calls to locations other than Canada will cost you.
If you’ve ever made international calls using a mobile phone, you know that calling another country can cost several dollars per minute. Even overseas calling from landlines can be unreasonably expensive. But Google Voice is different; it represents just about the best rates you’ll find for international calls from the U.S. (other than using your parents’ phone for free). The cheap rates aren’t available when you make international calls through Google Voice from countries outside the U.S. and Canada.