| 48 | 030 | A | CO EMS | County EMS Backup | EMS-Tac |
| 80 | 050 | A | CFD EMS | Columbus EMS Backup | EMS-Tac |
| 112 | 070 | A | E MECCTR | MEC Center dispatch backup | Fire Dispatch |
| 144 | 090 | A | E MECFG1 | MEC Center fireground 1 backup | Fire-Tac |
| 176 | 0b0 | A | E MECFG2 | MEC Center fireground 2 backup | Fire-Tac |
| 272 | 110 | A | CFD FIRE | Columbus Fire backup | Fire Dispatch |
| 496 | 1f0 | A | CFD FG1 | Columbus Fireground 1 Backup | Fire-Tac |
| 528 | 210 | A | CFD FG2 | Columbus Fireground 2 Backup | Fire-Tac |
| 944 | 3b0 | A | CO ALERT | Countywide Fire car-to-car backup | Fire-Talk |
| 1136 | 470 | A | CO FG1 | County Fireground 1 Backup | Fire-Tac |
| 1168 | 490 | A | CO FG2 | County Fireground 2 Backup | Fire-Tac |
| 5712 | 1650 | A | CO HOSP | Countywide Hospital ER Backup | Fire-Talk |
| 8080 | 1f90 | A | CO FIRE | County Fire backup | Fire Dispatch |
| 13296 | 33f0 | A | COW FD | City of Westerville - Backup Fire Dispatch | Fire Dispatch |
| 38672 | 9710 | A | MEDCOM | Medflight backup dispatch | Fire-Talk |
