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I'm going on a vacation to the US next month for 2 weeks.

Instead of paying roaming fees, I'd like to buy a new SIM card with a prepaid amount from a local store/carrier. I don't think wifi networks will suffice for my needs.

Is that an easily achievable solution for short-term vacationers? Also, what is the deal with US mobile networks not using the GSM standard?

marked as duplicate by Karlson usa Sep 24 '16 at 14:56

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    Welcome to TSE. There are many question about prepaid plans in the US. Also, I am not sure where you've heard that US has no GSM carriers. – Karlson Sep 24 '16 at 14:55
  • "Is that an easily achievable solution for short-term vacationers?" No. – Fattie Sep 24 '16 at 19:59
  • If you are from the UK you can use the Three sim in the US as it's a Feel At Home destination. – kiradotee Sep 24 '16 at 23:58
  • Of the major 4 networks, AT&T and T-Mobile operate GSM networks (specifically 3G UMTS/HSDPA networks). Each of them also are the backing network for a variety of MVNOs. Sprint and Verizon operate CDMA networks. All the major carriers also operate LTE on different bands. – wkl Sep 25 '16 at 0:53