| 2630 | a46 | DE | GH Police Tac | Glendale Heights Police: Tac (OOS?) | Law Tac |
| 2640 | a50 | D | COD Police 1 | College of DuPage Police 1 [DU COD 1] | Law Dispatch |
| 2641 | a51 | T | COD Police 2 | College of DuPage Police 2 [DU COD 2] | Law Dispatch |
| 2642 | a52 | DE | DC TF 1 | DuPage Task Force 1 | Law Tac |
| 2643 | a53 | DE | DC TF 2 | DuPage Task Force 2 | Law Tac |
| 2645 | a55 | TE | DU Law 2645 | ACDC Police 2 Tac? | Law Tac |
| 2646 | a56 | DE | DU Countywide 1 | Countywide Police 1 | Law Tac |
| 2647 | a57 | TE | DU Countywide 2 | Countywide Police 2 | Law Tac |
| 2648 | a58 | D | DU PD Reg 1 | Police Region 1: Northwest | Law Talk |
| 2649 | a59 | D | DU PD Reg 2 | Police Region 2: Northeast | Law Talk |
| 2650 | a5a | D | DU PD Reg 3 | Police Region 3: Southwest | Law Talk |
| 2651 | a5b | D | DU PD Reg 4 | Police Region 4: Southeast | Law Talk |
| 2662 | a66 | T | NIPAS 1 | NIPAS 1 (Northern IL Police Alarm System) | Law Tac |
| 2663 | a67 | D | NIPAS 2 | NIPAS 2 (Northern IL Police Alarm System) | Law Tac |
| 2665 | a69 | D | DwnrsGrv ATG | Downers Grove: All Talk Group (OOS?) | Law Talk |
| 2971 | b9b | De | NapPolice CID1 | Naperville Police: Investigations 1 | Law Tac |
| 2972 | b9c | D | NapPolice CID2 | Naperville Police: Investigations 2 | Law Tac |
| 2973 | b9d | D | NapPolice DC I/O | Naperville Police: DuPage County Interop | Law Dispatch |
| 2974 | b9e | D | NapPolice SW I/O | Naperville Police: Statewide Interop | Law Dispatch |
