Only if it was purchased contract free from them (as opposed to buying it directly from Apple store but on carrier contract).
Originally Posted by ArjunG
Unlocked Pentaband iPhone 5 (AWS), unlocked iPhone 4
Unlimited airtime, Unlimited CAN/US long distance, Unlimited SMS to CAN/US wireless numbers
2500 Call Forwarding minutes to CAN/US numbers
Google Voice for visual voice mail with message transcription, conditional greetings, unlimited messages (vs 35 message cap), remote retrieval from any PC or phone, no auto-purge after 10 days and most importantly no $7-$8 charge.