| Business | Phone |
| Mexia Waste Water Treament 1200 Shiloh Rd, Mexia 76667 | (254) 562-6698 |
| City Information 101 S Mckinney St, Mexia 76667 | (254) 562-4100 |
| City Secretary 101 S Mckinney St, Mexia 76667 | (254) 562-4120 |
| City Warehouse 800 S Belknap St, Mexia 76667 | (254) 562-4170 |
| City Water 101 S Mckinney St, Mexia 76667 | (254) 562-4130 |