Join Date: Nov 2001
Location: USA, JPN, GBR
Programs: A3, AA, AC, AS, DL, NH, SQ, SK, UA; BW, CP, HH, IHG, MB
Posts: 2,027
I don't know if you know about this, but RCCs now give scratch-off T-mobile cards for International C & F pax. They're valid for 24 hours from the time of first use.
Depending on your itinerary, you'll have internet at all US RCCs during your trip.