Round Rock Utilities
Electricity/Gas
ONCOR/TXU
(800) 460-3030
Water
Water Department
512-218-5460
Garbage
City of Round Rock Utility Billing Office
512-218-5460
TV Cable
COX COM.
(512) 930-3085
Police
Police Department
512-218-5500
Fire
Fire Department
512-218-5590