Complete frequency reference for Grafton and Coos County police departments, NH State Police Troop F, and local agencies — including NAC codes and P25 digital channels.

Statewide fire mutual aid, NORPAC, Twin State, EMS dispatch channels, DHART helicopter, and all northern NH fire departments — always up to date.

Troop F frequencies, unit ID codes for Coos & Grafton Counties, Fish & Game channels, and statewide interoperability frequencies.

New! Local GMRS repeaters, simplex channels, and resources for northern NH operators. Great for off-road, hiking, and White Mountains communications.

Standard NH police 10-codes and signal codes used by local departments. Quick reference guide for scanner listeners and radio enthusiasts.

NHscan.com has been serving the Northern NH scanner community since 2019, providing live audio and frequency resources for Coos and Grafton Counties.