This system is deprecated, and may no longer be in use or is superseded by another system.
| Category Name | County | Lat | Lon | Range |
|---|---|---|---|---|
| Coordination | 38.85147 | -77.22839 | 17 | |
| Fire | 38.85147 | -77.22839 | 17 | |
| Police | 38.85147 | -77.22839 | 17 | |
| Sheriff | 38.85147 | -77.22839 | 17 | |
| Services | 38.85147 | -77.22839 | 17 | |
| Schools | 38.85147 | -77.22839 | 17 | |
| Fairfax City | 38.84933 | -77.30255 | 4 | |
| Herndon | 38.96955 | -77.3861 | 2 | |
| Vienna | 38.90122 | -77.26526 | 4 | |
| Other | 38.85147 | -77.22839 | 17 |