Dallas (WBAP/KLIF) Dallas based AT&T is teaming up with the University Medical Center Foundation to help the victims of the deadly Las Vegas shooting. The company has established a text to donate option for wireless customers from any provider. You can text “VEGAS’ to 50555 to donate $10 to UMCF. 100% of the money will go to Nevada’s only Level 1 Trauma center to support the treatment of those hurt in the shooting. Charges will appear on your wireless bill or be deducted from your prepaid balance.