| 21021 | 521d | D | 31 FD EAST | Fire Dispatch East | Fire Dispatch |
| 21022 | 521e | D | 31 FD WEST | Fire Dispatch West | Fire Dispatch |
| 21023 | 521f | D | 31 FD CENT | Fire Dispatch Central | Fire Dispatch |
| 21024 | 5220 | D | 31 VAL FD | Valley Fire Dispatch | Fire Dispatch |
| 21028 | 5224 | D | 31 ALERT WEST | Fire Alerting West | Fire Dispatch |
| 21029 | 5225 | D | 31 FG 4 | Fire Ground 4 | Fire-Tac |
| 21030 | 5226 | D | 31 FG 5 | Fire Ground 5 | Fire-Tac |
| 21031 | 5227 | D | 31 FG 6 | Fire Ground 6 | Fire-Tac |
| 21032 | 5228 | D | 31 FG 7 | Fire Ground 7 | Fire-Tac |
| 21033 | 5229 | D | 31 FG 8 | Fire Ground 8 | Fire-Tac |
| 21034 | 522a | D | 31 FG 9 | Fire Ground 9 | Fire-Tac |
| 21035 | 522b | D | 31 FG 10 | Fire Ground 10 | Fire-Tac |
| 21036 | 522c | D | 31 MAYDY 1 | MAYDAY Emergency | Emergency Ops |
| 21038 | 522e | D | 31 ALERT EAST | Fire Alerting East | Fire Dispatch |
| 21039 | 522f | D | 31 FG 14 | Fire Ground 14 | Fire-Tac |
| 21040 | 5230 | D | 31 FG 15 | Fire Ground 15 | Fire-Tac |
| 21041 | 5231 | D | 31 FG 16 | Fire Ground 16 | Fire-Tac |
| 21042 | 5232 | D | 31 FG 17 | Fire Ground 17 | Fire-Tac |
| 21043 | 5233 | D | 31 FG 18 | Fire Ground 18 | Fire-Tac |
| 21044 | 5234 | D | 31 FG 19 | Fire Ground 19 | Fire-Tac |
| 21045 | 5235 | D | 31 FG 20 | Fire Ground 20 | Fire-Tac |
| 21046 | 5236 | D | 31 FG 21 | Fire Ground 21 | Fire-Tac |
| 21047 | 5237 | D | 31 FG 22 | Fire Ground 22 | Fire-Tac |
| 21048 | 5238 | D | 31 STORM W | Storm Response West | Fire-Tac |
| 21049 | 5239 | D | 31 STORM E | Storm Response East | Fire-Tac |
| 21051 | 523b | D | 31 FG 26 | Fireground 26 | Fire-Tac |
| 21052 | 523c | D | 31 MAYDY 2 | MAYDAY Emergency | Emergency Ops |
| 21053 | 523d | D | 31 FD ADMIN | Fire Administration | Fire-Talk |
| 21054 | 523e | D | 31 HOSPITAL | Hospital Emergency Net | Hospital |
| 21139 | 5293 | D | 31 ARC 1 | 31 American Red Cross 1 | Emergency Ops |
| 21140 | 5294 | D | 31 ARC 2 | 31 American Red Cross 2 | Emergency Ops |
| 21141 | 5295 | D | 31 ARC 3 | 31 American Red Cross 3 | Emergency Ops |
| 21228 | 52ec | D | 31HCFD 1 | HCFD 1 | Fire-Talk |
| 21229 | 52ed | D | 31HCFD 2 | HCFD 2 | Fire-Talk |
| 21230 | 52ee | D | 31HCFD 3 | HCFD 3 | Fire-Talk |
| 21243 | 52fb | D | 31 GCHM CMD | Greater Cincinnati Hazmat Command | Fire-Tac |
| 21244 | 52fc | D | 31 GCHM TAC | Greater Cincinnati Hazmat Tactical | Fire-Tac |
| 21245 | 52fd | D | 31 GCHM ALL | Greater Cincinnati HAZMAT All | Fire-Tac |
| 21393 | 5391 | D | 31 MIAMEAST | Miami East Fire | Fire-Talk |
| 21397 | 5395 | D | 31 VAL FD | Valley Fire | Fire-Talk |
| 21437 | 53bd | D | 31 MDC EAST | Hamilton County Fire MDC East | Data |
| 21438 | 53be | D | 31 MDC WEST | Hamilton County Fire MDC West | Data |
| 21561 | 5439 | D | 31 MILF ALERT | Milford Fire/EMS Alert | Multi-Dispatch |