Welcome to Karbon Managed Wireless About Karbon Managed Wireless BlackBerry and other Products Available from Karbon Managed Wireless Services Available from Karbon Managed Wireless Support Options and Resources Wireless Government Shopping Cart  
 
 
Support Coverage Maps  
 
  Karbon Managed Wireless  


Support
For support issues related to your wireless device, please contact your wireless network provider. Please select your network provider from the list below.

For Cingular Wireless Network Issues:
Solution, Network, and Billing Support
(800) 304-3044 Former AT&T Customers Call (866) 293-4634

For BlackBerry Product Issues:
BlackBerry Customer Care
(877) 255-2377

For Verizon Wireless Network Issues:
Verizon Wireless Customer Care
(800) 922-0204

For Sprint Network Issues:
Sprint Customer Care
(888) 788-4727