| 28101 | 6dc5 | TE | MCLEAN SO MAIN | County Sheriff's Main | Law Dispatch |
| 28102 | 6dc6 | TE | MCLEAN SO OPS 1 | Sheriff's Office Ops 1 | Law Talk |
| 28103 | 6dc7 | TE | MCLEAN SO OPS 2 | Sheriff's Office Ops 2 | Law Talk |
| 28106 | 6dca | TE | MCLEAN SO DRUG | County Sheriff Drug Task Force | Law Tac |
| 28203 | 6e2b | T | MCLEAN FIRE/EMS | County Fire/EMS Main | Multi-Dispatch |
| 28204 | 6e2c | TE | MCLEAN F/E OPS 1 | County Fire/EMS Ops 1 | Multi-Talk |
| 28205 | 6e2d | T | MCLEAN F/E OPS 2 | County Fire/EMS Ops 2 | Multi-Talk |
| 28206 | 6e2e | T | MCLEAN F/E OPS 3 | County Fire/EMS Ops 3 | Multi-Talk |
| 28207 | 6e2f | T | MCLEAN F/E OPS 4 | County Fire/EMS Ops 4 | Multi-Talk |
| 28301 | 6e8d | T | MCLEAN EMS OPS 1 | County EMS Ops 1 | EMS-Talk |
| 28302 | 6e8e | T | MCLEAN EMS OPS 2 | County EMS Ops 2 | EMS-Talk |
| 28401 | 6ef1 | TE | MCLEAN MA 01E | County Mutual Aid 1 | Interop |
| 28402 | 6ef2 | TE | MCLEAN MA 02E | County Mutual Aid 2 | Interop |
| 28403 | 6ef3 | T | MCLEAN MA 03 | County Mutual Aid 3 | Interop |
| 28404 | 6ef4 | T | MCLEAN MA 04 | County Mutual Aid 4 | Interop |
| 28405 | 6ef5 | T | MCLEAN MA 05 | County Mutual Aid 5 | Interop |
| 28406 | 6ef6 | T | MCLEAN MA 06 | County Mutual Aid 6 | Interop |
| 28501 | 6f55 | T | MCLEAN HWY MAIN | County Highway Dept Main | Public Works |
| 28502 | 6f56 | T | MCLEAN HWY OPS 1 | County Highway Dept Ops 1 | Public Works |
| 28503 | 6f57 | T | MCLEAN HWY OPS 2 | County Highway Dept Ops 2 | Public Works |
| 28601 | 6fb9 | T | MCLEAN SCHL BUS | County School Buses | Schools |
| 28602 | 6fba | T | MCLEAN SCHL SEC | County School Security | Security |
| 28701 | 701d | T | MCLEAN PW MAIN | County Public Works Main | Public Works |
| 28702 | 701e | T | MCLEAN PW OPS 1 | County Public Works Ops 1 | Public Works |