Montgomery County (MD) Police
From The RadioReference Wiki
Montgomery County Police is the primary law enforcement agency in Montgomery County, MD.
MCPD is divided into 6 different districts. More information on districts can be found through these links.
More information about specifics on Montgomery County Police can be found here.
Some of the information on this link above is outdated. But, some info remains similar.
MNCPPC Park Police
MNCPPC Park Police has two divisions 1 in Montgomery County & 1 in Prince Georges County.
MNCPPC Park Police has Jurisdiction of land operated by Maryland-National Capital Park and Planning Commission.
More info can be found through these two links
Maryland State Police
Maryland State Police Barracks N ( Rockville ) operates in Montgomery County.
They operate on the Montgomery County P25 system using TG 6595.
For More information on Maryland State Police use the links below.
Other Miscellaneous Police Departments
Maryland Transportation Authority operates on the ICC ( MD-200 ) using Montgomery County P25 TG 6605
National Institute of Standards and Technology ( NIST ) Police operate using Montgomery County P25 TG 6610
Takoma Park Police
Chevy Chase Village Police
All of Municipal PD above operate on Montgomery County P25 System.. Check the Database for the TGs