| 1904 | 770 | A | 6-Fire-1 | Command/Response - Bloomington, Devore, Fontana, Montclair, Muscoy, Rancho Cucamonga, San Antonio Heights, Upland | Fire-Tac |
| 1936 | 790 | A | 6-Fire-2 | Dispatch - All Valley Areas | Fire Dispatch |
| 1968 | 7b0 | A | 6-Fire-3 | Command/Response - Colton, Grand Terrace, Loma Linda, Mentone, Redlands, Rialto, San Bernardino | Fire-Tac |
| 2000 | 7d0 | A | 6-Fire-4 | Additional Valley Area Command | Fire Dispatch |
| 2032 | 7f0 | A | 6-Fgnd-3 | Fireground 3 - Colton, Grand Terrace, Loma Linda, Mentone, Redlands, Rialto | Fire-Tac |
| 2064 | 810 | A | 6-Fgnd-4 | Fireground 4 - Training and Miscellaneous Mobile-to-Mobile | Fire-Tac |
| 2096 | 830 | A | 6/7-FTac-1 | Countywide Tac 1 | Fire-Tac |
| 2128 | 850 | A | 6/7-FTac-2 | Countywide Tac 2 | Fire-Tac |
| 2256 | 8d0 | A | 6-Fgnd-1 | Fireground 1 - Bloomington, Devore, Fontana, Montclair, Muscoy, San Antonio Heights, Upland | Fire-Tac |
| 2288 | 8f0 | A | 6-Fgnd-2 | Fireground 2 - Rancho Cucamonga | Fire-Tac |
| 2320 | 910 | A | 6-Fgnd-5 | Fireground 5 - Training and Miscellaneous Mobile-to-Mobile | Fire-Tac |
| 2352 | 930 | A | 6-Fgnd-6 | Fireground 6 - Training and Miscellaneous Mobile-to-Mobile | Fire-Tac |
| 2384 | 950 | A | 6-Fgnd-7 | Fireground 7 - Training and Miscellaneous Mobile-to-Mobile | Fire-Tac |
| 2416 | 970 | A | 6-Fgnd-8 | Fireground 8 - Training and Miscellaneous Mobile-to-Mobile | Fire-Tac |
| 4016 | fb0 | A | 17-Cmd-3 | Ontario Fire Command 3 (Patched to 9-FCmd-3) | Fire-Tac |
| 4048 | fd0 | A | 17-Tac-5 | Ontario Fire Tac 5 (Patched to 9-Tac-5) | Fire-Talk |
| 4080 | ff0 | A | 17-Tac-6 | Ontario Fire Tac 6 (Patched to 9-Tac-6) | Fire-Talk |
| 5968 | 1750 | A | 17-Tac-1 | Ontario Fire Tac 1 (Patched to 9-Tac-1) | Fire-Tac |
| 6000 | 1770 | A | 17-Tac-2 | Ontario Fire Tac 2 (Patched to 9-Tac-2) | Fire-Tac |
| 6064 | 17b0 | A | 17-Tac-3 | Ontario Fire Tac 3 (Patched to 9-Tac-3) | Fire-Tac |
| 6096 | 17d0 | A | 17-Tac-4 | Ontario Fire Tac 4 (Patched to 9-Tac-4) | Fire-Talk |
| 15408 | 3c30 | A | 6-Fire-5 | Additional Valley Area Command (Patched to 1-Fire-3) | Fire-Tac |
| 16016 | 3e90 | A | 6-ComCtr | Communications Center - Air Ambulance/After Hours Local Government Contact (Patched to All Systems) | Multi-Dispatch |
