Information: Local Agencies & Services
| Fire, Police or Ambulance | 911 | |
| Emergency TDD | 911 | |
| Poison Control (Galveston) | (409) 765-1420 | |
| FBI | (512) 345-1111 | |
| Williamson Cty Crisis Center | (800) 460-7233 | |
| Hospitals: | Columbia / St. Davids | (512) 218-5460 |
| Round Rock Hospital | (512) 341-1000 | |
| US Postal Service: | Postmaster General | (800) 275-8777 |
| Frontier 2250 Double Creek Drive Round Rock, TX 78664 Mon-Fri 7:30AM - 4:30PM Saturday 8:30AM - 1:00PM |
(512)244-6432 | |
| Round Rock West 797 Sam Bass Road Round Rock, TX 78681 Mon-Fri 8:00AM - 5:00PM Saturday 8:30AM - 12:00PM |
(512) 238-9461 | |
| Public Library: | Robert G. & Helen Griffith Public Library Mon - Thurs 9:00AM - 9:00PM Fri - Sat 9:00AM - 6:00PM Sunday 1:00PM - 6:00PM |
(512) 218-7005 |
| Public Schools: | Round Rock ISD | (512) 428-7600 |
| Old Town Elementary | (512) 428-7604 | |
| Cedar Valley Middle School | (512) 428-2300 | |
| Round Rock High School | (512) 464-6000 |
Information: Utilities
| Water/Sewer | City of Round Rock | (512) 218-5460 |
| Sanitation Service | City of Round Rock | (512) 218-5460 |
| Electricity | TXU Energy (to setup new service) | (800) 225-5898 |
| TXU 24Hr. Customer Service | (800) 368-1398 | |
| To report outages | (800) 233-2133 | |
| Gas | Atmos Energy (formerly TXU Gas) | (800) 621-1867 |
| If you smell gas, call the Emergency Number |
(800) 692-4694 | |
| Telephone | Southwestern Bell | (800) 585-7928 |
| Television | Time Warner Cable | (512) 485-5555 |
| Dish Network | (888) 825-2557 |