Twin State Mutual Aid Fire Association

The Twin State Mutual Aid Fire Association ("Twin State") is the dispatch center and coordinating agency for fire and emergency medical services operations in 23 towns in Grafton County, New Hampshire, and Orange County and Caledonia County in Vermont. Dispatching duties are handled by the Grafton County Sheriff's Department stationed in North Haverhill, New Hampshire. All radio dispatches use the frequency 154.4000 under the callsign KSI-676.

Twin State Mutual Aid Fire Association

The Twin State Mutual Aid Fire Association ("Twin State") is the dispatch center and coordinating agency for fire and emergency medical services operations in 23 towns in Grafton County, New Hampshire, and Orange County and Caledonia County in Vermont. Dispatching duties are handled by the Grafton County Sheriff's Department stationed in North Haverhill, New Hampshire. All radio dispatches use the frequency 154.4000 under the callsign KSI-676.