Grant County (WA)

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Grant County Public Safety

Multi-Agency Communications Center

All Law Enforcement agencies in Grant County, except the Washington State Patrol, contract their dispatch duties to the Multi-Agency Communications Center, also known as MACC.

Unit Designators

GTXX Grant County Sheriff's Office
2XX Ephrata Police Department
3XX Quincy Police Department
5XX Coulee Police Department
6XX Warden Police Department

4GeorgeXX Grand Coulee PD
7RobertXX Royal City Police
8MaryXX Mattawa Police
Sam Lincoln XX Soap Lake Police


155.7000 PL-156.7 County wide Car to Car. Available to ALL agencies in the county.

Amateur Radio