| Business | Phone |
| Duncanville Field Operations 330 Shady Trail Dr, Duncanville 75137 | (972) 780-4900 |
| Duncanville Municipal Garage 330 Shady Trail Dr, Duncanville 75137 | (972) 780-5057 |
| Duncanville Building Inspctn 203 E Wheatland Rd, Duncanville 75116 | (972) 780-5040 |
| Duncanville City Asst Manager 203 E Wheatland Rd, Duncanville 75116 | (972) 780-5003 |
| Duncanville City Community Svc 201 James Collins Blvd, Duncanville 75116 | (972) 780-5076 |
| Duncanville City Finance Drctr 203 E Wheatland Rd, Duncanville 75116 | (972) 780-5005 |
| Duncanville City Municipal Crt 201 James Collins Blvd, Duncanville 75116 | (972) 780-5055 |
| Duncanville City Municipal Crt 203 E Wheatland Rd, Duncanville 75116 | (972) 780-5055 |
| Duncanville City Personnel 201 James Collins Blvd, Duncanville 75116 | (972) 780-5006 |
| Duncanville City Personnel 203 E Wheatland Rd, Duncanville 75116 | (972) 780-5006 |
| Duncanville City Secretary 201 James Collins Blvd, Duncanville 75116 | (972) 780-5004 |
| Duncanville City Secretary 203 E Wheatland Rd, Duncanville 75116 | (972) 780-5004 |
| Duncanville Cmnty Athletics 203 E Wheatland Rd, Duncanville 75116 | (972) 780-5072 |