T-Mo To Go (pre-paid) SMS pricing:

$0.10 to send / $0.05 to receive in the US and Canada;
$0.35 to send and $0.05 to receive everywhere else

Int'l Calling Rates:

Country or region Charge
Canada and Mexico $0.40 plus airtime per minute
Puerto Rico $0.30 plus airtime per minute
Guam $0.80 plus airtime per minute
Jamaica and island countries $0.80 plus airtime per minute
Tuvalu and Vanuatu Islands $5.00 plus airtime per minute
All other countries $1.50 plus airtime per minute


Better to get a calling card.