| 2408 | 968 | DE | Grimes SO 3 | Sheriff 3 | Law Tac |
| 2569 | a09 | D | Grimes SO I/O | Sheriff Interop | Law Tac |
| 2570 | a0a | DE | Grimes SO 1 | Sheriff 1 Dispatch | Law Dispatch |
| 2571 | a0b | DE | Grimes SO 2 | Sheriff 2 | Law Tac |
| 2572 | a0c | D | Grimes Co Jail | Jail | Corrections |
| 2573 | a0d | D | Grimes Co Fire 1 | Fire Dispatch (patch to 154.325 MHz) | Fire Dispatch |
| 2574 | a0e | D | Grimes Co FD Tac | Fire Tactical | Fire-Tac |
| 2575 | a0f | D | Grimes EMS Disp | EMS Dispatch | EMS Dispatch |
| 2576 | a10 | D | Grimes Co Roads | Roads | EMS-Tac |
| 2577 | a11 | D | Grimes EMS FR | EMS First Responders | EMS-Tac |
| 2578 | a12 | D | Todd Mission PD | Todd Mission Police | Law Dispatch |
| 4003 | fa3 | D | Grimes EOC 1 | Emergency Management 1 | Emergency Ops |
| 4004 | fa4 | D | Grimes EOC 2 | Emergency Management 2 | Emergency Ops |
