Your BlackBook Mobile™ account does not cost you anything. Standard messaging rates apply to text messages received.

*Users will be charged standard rate for the receipt of the PIN and other messages related to BBM services.
**User should send "STOP" to end their service
BlackBook Mobile™ is currently available through these U.S. carriers only - Alltel, AT&T Mobility, Boost, Dobson, Sprint, T-Mobile, Virgin, Verizon, and Nextel.
See Support for contact information.