I highly doubt that your SIM card is depleted due to the US mobile phone billing structure. Sounds like a bad contract with a carrier that is billing you for incoming calls even though you aren't on the network, or bills you a fee each month when your SIM is inactive. Don't blame a country's mobile telephone billing structure for a carrier's cell phone billing plan that seems confusing. That's like blaming the Department of Transportation for your faulty airbag. Beckman On Sat, 16 Apr 2016, Mark Andrews wrote:
I've also got a US SIM and had my credit run to zero dollars with the phone turned off due to the sillyness of the US system. No calls or SMS being delivered but I'm still getting charged.
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