Calling Cards

Do we have to wait to purchase a calling card in PV or can we get one in the US before we leave? What tips or experience have any of you had with calling home from Mexico?

buy the cards in P.V. .the telefone rate to usa & canada is extrem expensiv !!!send e.mails & save lots of $$$$$$. have fun in my #1 vacation spot !!!manfred from ottawa

The phones that you want to AVOID are the ones that say something like \"Call the USA or Canada using your credit card!!!\" They are very expensive.