| 2000 | 7d0 | D | ECSODISP | Sheriff Dispatch | Law Dispatch |
| 2001 | 7d1 | D | ECSOEVT1 | Sheriff Event 1 | Law Talk |
| 2002 | 7d2 | D | ECSOEVT2 | Sheriff Event 2 | Law Talk |
| 2003 | 7d3 | D | ECSOCID1 | Sheriff CID 1 | Law Tac |
| 2004 | 7d4 | D | ECSOCID2 | Sheriff CID 2 | Law Tac |
| 2005 | 7d5 | D | ECSOTAC1 | Sheriff Tac 1 | Law Tac |
| 2006 | 7d6 | D | ECSOTAC2 | Sheriff Tac 2 | Law Tac |
| 2007 | 7d7 | D | ECSOJAIL | Sheriff Jail | Law Tac |
| 2008 | 7d8 | D | ECSOTRNG | Sheriff Training | Law Talk |
| 2009Online | 7d9 | D | ECEMS | EMS | EMS-Tac |
| 2010Online | 7da | D | ALARM | Fire Alarm | Fire Dispatch |
| 2011Online | 7db | D | ECVFD | Erath VFD | Fire-Tac |
| 2012 | 7dc | D | SELDEN | Selden VFD | Fire-Tac |
| 2013 | 7dd | D | MRGNMILL | Morgan Hill VFD | Fire-Tac |
| 2014 | 7de | D | HUCKABAY | Huckabay VFD | Fire-Tac |
| 2015 | 7df | D | HARBINFD | Harbin VFD | Fire-Tac |
| 2016 | 7e0 | D | ECVFGRD1 | VFD FireGround 1 | Fire-Tac |
| 2017 | 7e1 | D | ECVFGRD2 | VFD FireGround 2 | Fire-Tac |
| 2018 | 7e2 | D | ECVFGRD3 | VFD FireGround 3 | Fire-Tac |
| 2019 | 7e3 | D | ECVFGRD4 | VFD FireGround 4 | Fire-Tac |
| 2020 | 7e4 | D | ECVFGRD5 | VFD FireGround 5 | Fire-Tac |
| 2021 | 7e5 | D | LINGLEVL | Lingleville VFD | Fire-Tac |
| 2022 | 7e6 | D | BLUFFDAL | Bulff Dale VFD | Fire-Tac |
| 2023 | 7e7 | D | DUBLINFD | Dublin VFD | Fire-Tac |
| 2024 | 7e8 | D | ERATHAIR | Erath Air Med | Fire-Tac |
| 2030 | 7ee | D | DPDTAC | Dublin PD Tac | Law Tac |
| 2031 | 7ef | D | DPDTRNG | Dublin PD Training | Law Talk |
| 4009Online | fa9 | D | Erath Fire Disp | Fire EMS Dispatch | Fire Dispatch |
| 4015Online | faf | D | Erath SO VHF | Sheriff Dispatch VHF Patch (155.19) | Law Dispatch |
| 4017 | fb1 | D | Erath Fire Tones | Fire Tones Only | Fire Dispatch |
| 4018 | fb2 | D | Erath Fire Disp | County Fire Dispatch (by Stephenville) | Fire Dispatch |
| 4019 | fb3 | D | Erath EMS Disp | County EMS Dispatch (by Stephenville) | EMS Dispatch |