I am spending some time on vacation in the US and Canada from UK. As my UK mobile will not work in NA, I've decided to buy a Tracfone in the US. I'm pretty sure that the Motorola C139 will work in the areas I'm going - Philly, Seattle and SE Alaska. My question is which zip code to use to provide best coverage? An Alaska zip seems to provide the best coverage - can anyone confirm that?

Regards RH

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