| 2655 | a5f | T | DU NV FD 1 | Naperville Fire: Dispatch (FD-1) Patch | Fire-Talk |
| 2669 | a6d | T | DU Fire Ops S3 | Fire South: Ops 3 [FD OPS S3] | Fire-Talk |
| 2715 | a9b | D | DU Fire C/W | Countywide Fire [COWD FD] | Fire Dispatch |
| 2717 | a9d | D | DU Fire Ops 1 | All Fire Agencies: Ops [DU FD OPS1] | Fire-Tac |
| 2718 | a9e | D | DU Fire Ops 2 | Fire East: Ops (DU-COMM) [DU FD OPS2] | Fire-Tac |
| 2719 | a9f | D | DU Fire Ops 3 | Fire North: Ops (DU-COMM) [DU FD OPS3] | Fire-Tac |
| 2720 | aa0 | D | DU Fire Ops 4 | Fire South: Ops (DU-COMM) [DU FD OPS4] | Fire-Tac |
| 2721 | aa1 | T | DU Fire Ops 5 | Fire:: Ops (DU-COMM) [DU FD OPS5] | Fire-Tac |
| 2722 | aa2 | D | DU Fire Ops 6 | Fire 1: Ops (ACDC) [DU FD OPS6] | Fire-Tac |
| 2723 | aa3 | T | DU Fire Ops 7 | Fire 2: Ops (ACDC) [DU FD OPS7, future FD OPS 21] | Fire-Tac |
| 2726 | aa6 | D | AurFire Patch? | Aurora Fire: Patch? | Fire-Talk |
| 2727 | aa7 | T | NWCD Fire Patch | Northwest Central Dispatch Fire: Patch | Fire-Talk |
| 2729 | aa9 | T | DU NV FD FG 1 | Naperville Fireground (FG-1) Patch | Fire-Talk |
| 2730 | aaa | D | AurFireFG Patch? | Aurora Fireground: Patch? | Fire-Talk |
| 2731 | aab | D | DU SE Fire ATG | Southeast Fire: Announcement Talk Group (ATG) (OOS?) | Fire-Tac |
| 2733 | aad | D | DGroveFD ATG | Downers Grove Fire: Announcement Talk Group (ATG) (OOS?) | Fire-Tac |
| 2734 | aae | D | BlmngdlFD ATG | Bloomingdale FPD: Announcement Talk Group (ATG) (OOS?) | Fire-Tac |
| 2745 | ab9 | D | DU S/W Fire Tac1 | Statewide Fire: Tac-1 | Fire-Tac |
| 2746 | aba | D | DU S/W Fire Tac2 | Statewide Fire: Tac-2 | Fire-Tac |
