T-Mobile has a $15/month plan with unlimited texting. Voice calls are $0.10/minute. No data.
http://www.t-mobile.com/shop/plans/p...z_shop=Prepaid
T-Mobile $30 "Wal-mart plan". Unlimited data & text. 100 voice minutes per month.
Europe 2013 vacation:
Piranha-Mobile and Truphone plus the following
AT: T-Mobile,
CZ: Tesco Mobile,
DE: Lidl & Toggle Mobile,
DK: Telia & Toggle Mobile,
ES: Toggle Mobile,
FR: Orange & Toggle Mobile,
HU: T-Mobile,
SE: Telenor & Toggle Mobile