| 6576 | 19b0 | D | UNI FIREDISP | County Fire - Dispatch (patched to 154.250) | Fire Dispatch |
| 6592 | 19c0 | D | UNI OPS-2 | County Fire - Operations | Fire-Tac |
| 6608 | 19d0 | D | UNI OPS-3 | County Fire - Operations (patched to 154.175) | Fire-Tac |
| 6624 | 19e0 | D | UNI OPS-4 | County Fire - Operations | Fire-Tac |
| 6640 | 19f0 | D | UNI ADM-5 | County Fire - admin/training | Fire-Tac |
| 6656 | 1a00 | D | UNI ADM-6 | County Fire - admin/training | Fire-Tac |
| 6672 | 1a10 | D | UNI EMS | County Fire - EMS to UCMH | Hospital |
| 6688 | 1a20 | D | UNI EMA | County EMA | Emergency Ops |
| 6704 | 1a30 | D | UNI F-P | County Fire-Police common | Interop |
| 6720 | 1a40 | D | SO80 DSP | County Sheriff dispatch | Law Dispatch |
| 6736 | 1a50 | D | SO80 TAC | County Sheriff tactical | Law Tac |
| 6752 | 1a60 | D | MPD DSP | Marysville PD dispatch | Law Dispatch |
| 6768 | 1a70 | D | MPD TAC | Marysville Police tactical | Law Tac |
| 6784 | 1a80 | D | PCPD | Plain City Police local tac | Law Tac |
| 6800 | 1a90 | D | RWPD | Richwood Police local tac | Law Tac |
| 6816 | 1aa0 | D | INVEST | Law enforcement common | Law Talk |
| 8512 | 2140 | D | LHD UNION | ODH mutual aid-Union County health department | Interop |
| 9248 | 2420 | D | HOS-8001 | Union County Memorial Hospital (Marysville) | Hospital |
| 58880 | e600 | D | COEMA-80 | Union County EMA | Interop |
| 63856 | f970 | D | SO-80 | Union County statewide interop | Interop |