| Business | Phone |
| City Of Dallas City Hall 1500 Marilla Dr, Dallas 75201 | (214) 670-3011 |
| Dallas City Mayor 1500 Marilla Dr, Dallas 75201 | (214) 670-4054 |
| Farmers Branch City Hall 13000 William Dodson Pkwy, Dallas 75234 | (972) 247-3131 |
| Addison Mayor's Office 5300 Belt Line Rd, Dallas 75254 | (972) 450-7026 |
| Addison Town Hall 5300 Belt Line Rd, Dallas 75254 | (972) 450-7027 |
| Cockrell Hill City Hall 4125 W Clarendon Dr, Dallas 75211 | (214) 330-6333 |
| University Park Water Dept 3800 University Blvd, Dallas 75205 | (214) 363-1644 |