| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 856.9875 | League City, City of | 4880 | Dickinson FD | Dickinson | TX | IIi | ** | ** |
| 857.9875 | League City, City of | 560 | League City FD (Admin) | League City | TX | IIi | ** | ** |
| 858.9875 | League City, City of | 400 | League City FD (F-1) | League City | Tx | IIi | ** | ** |
| 859.9875 | League City, City of | 403 | League City FD (Patch) | League City | TX | IIi | ** | ** |
| 860.9875 | League City, City of | 432 | League City FD (Tac 1) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 464 | League City FD (Tac 2) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 4016 | Pasadena FD (Disp 4) | Pasadena | TX | IIi | ** | ** |
| ** | League City, City of | 4048 | Rural Metro FD (F-4) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 848 | League City EMS #1 | League City | TX | IIi | ** | ** |
| ** | League City, City of | 944 | League City EMS #2 | League City | TX | IIi | ** | ** |
| ** | League City, City of | 4112 | Pasadena EMS (Ops #3) | Pasadena | TX | IIi | ** | ** |
| ** | League City, City of | 4048 | Rural Metro EMS (F-4) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 4848 | Galveston Co. Constables | League City | TX | IIi | ** | ** |
| ** | League City, City of | 656 | League City PD (Admin) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 688 | League City PD (CID) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 176 | League City PD (Disp 1) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 208 | League City PD (Disp 2) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 784 | League City PD (Emerg) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 240 | League City PD (Tac 1) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 272 | League City PD (Tac 2) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 304 | League City PD (Tac 3) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 3888 | Pasadena PD (Disp 4) | Pasadena | TX | IIi | ** | ** |
| ** | League City, City of | 3920 | Pasadena PD (Tac 7) | Pasadena | TX | IIi | ** | ** |
| ** | League City, City of | 6864 | Pasadena PD (SWAT 4) | Pasadena | TX | IIi | ** | ** |
| ** | League City, City of | 1136 | Building Inspectors | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1680 | League City Executives | League City | TX | IIi | ** | ** |
| ** | League City, City of | 304 | Emergency Management Ops. | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1264 | Engineering Dept. | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1968 | City Hall Maintenance | League City | TX | IIi | ** | ** |
| ** | League City, City of | 2128 | City Vehicle Maintenance | League City | TX | IIi | ** | ** |
| ** | League City, City of | 2160 | City Vehicle Maintenance | League City | TX | IIi | ** | ** |
| ** | League City, City of | 4112 | League City (Ops 3) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 2000 | Parks Department | League City | TX | IIi | ** | ** |
| ** | League City, City of | 624 | Special Events Channel | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1296 | League City Street Dept. | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1104 | Water Dept. | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1040 | Water Dept. (Ch 1) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1200 | Water Dept. (Ch 2) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1072 | Water Dept. (Quality) | League City | TX | IIi | ** | ** |
| ** | League City, City of | 1168 | Water Dept. (Treatment) | League City | TX | IIi | ** | ** |