| 60600 | ecb8 | D Enc | HRL PD 1 | Police Ch. 1 | Law Dispatch |
| 60601 | ecb9 | D Enc | HRL PD 2 | Police Ch. 2 | Law Dispatch |
| 60602 | ecba | D Enc | HRL PD 3 | Police Ch. 3 Information | Law Talk |
| 60603 | ecbb | D Enc | HRL PD TAC | Harlingen PD Talk Around Channel | Law Tac |
| 60620 | eccc | D | HRL FD Disp. | Harlingen Fire Dispatch | Fire Dispatch |
| 60621 | eccd | D | HRL FD GRD 1 | Harlingen Fire Ground 1 | Fire-Tac |
| 60622 | ecce | D | HRL FD GRD 2 | Harlingen Fire Ground 2 | Fire-Tac |
| 60623 | eccf | D | HRL FD GRD 3 | Harlingen Fire Ground 3 | Fire-Tac |
| 60624 | ecd0 | D | HRL FD GRD 4 | Harlingen Fire Ground 4 | EMS-Tac |
| 60672 | ed00 | D | HRL Sanitat | Sanitation - Trash Trucks | Public Works |
| 60673 | ed01 | D Enc | HRL 1 | Harlingen 1 | Public Works |
| 60674 | ed02 | D | HRL Utility | Utilities | Utilities |
| 60677 | ed05 | D | HRL AnmlCtrl | Animal Control | Public Works |
| 60678 | ed06 | D | HRL PUB WRKS | Harlingen Public Works | Public Works |
| 60683 | ed0b | D | HRL EOC PD | Harlingen Emergency Operations - Police Department | Emergency Ops |
| 60684 | ed0c | D | HRL EOC FD | Harlingen Emergency Operations - Fire Department | Emergency Ops |
| 60685 | ed0d | D | HRL EOC PW | Harlingen Emergency Operations - Public Works | Emergency Ops |
| 60686 | ed0e | D | HRL Common | Harlingen Common Inter Departmental Communications | Interop |
| 63035 | f63b | D Enc | STEC Primary | South Texas Emergency Care Foundation E.M.S. | EMS Dispatch |
| 63150 | f6ae | D | EMS - VBMC | EMS - Valley Baptist Medical Center Harlingen | Hospital |
| 63160 | f6b8 | D | EMS - HMC | EMS - Harlingen Medical Center | Hospital |
