NH Department of Safety

Division of State Police

Table of contents -

State Police Patrol Frequencies

Frequency	Type	Tone	Troop	Notes	Confirmation/Reconfirmation
151.4000	R	N826	A (Epping)		2025.02.16 pdurf (SNE Submitter)
154.9350	R	N826	B (Bedford)		2025.01.10 W1KNE
154.6650	R	N826	C (Keene)		2024.04.04 GraniteScanner
156.2100	R	N826	D (Concord)	Headquarters	2025.02.16 n1zyy (SNE Submitter)
151.3250	R	N800	E (Tamworth)		2024.07.14 GraniteScanner
155.8050	R	N852	F-North (Carroll-Twin Mountain)	Multi-Site Simulcast	2024.09.18 Granitescanner (SNE Contributor)
154.8450	R	N211	F-Central (Carroll-Twin Mountain)	Multi-Site Simulcast	2024.09.18 Granitescanner (SNE Contributor)
154.6800	R	N852	F-South (Carroll-Twin Mountain)	Multi-Site Simulcast	2024.09.18 Granitescanner (SNE Contributor)

Other Frequencies

• LP-2 Common Channel-2 is in all Law Enforcement Radios in NH

Frequency	Type	Tone	Channel	Notes	Confirmation/Reconfirmation
156.0900	S	136.5	VLAWLPS/LP-South	State Police / Local Interoperability Troops A-D	2024.06.22 GraniteScanner
155.9100	S	136.5	VLAWLPN/LP-North	State Police / Local Interoperability Troops E and F	2024.12.19 JMarcel66
155.4750	S	136.5	LP-2	State Wide Channel 2, Event Usage	2023.11.10 ecps92
155.4750	S	156.7	VLAW31	Nationwide Police Interoperability (LP-2 w/Different tone)	2024.06.22 GraniteScanner
155.5125		N857	NHMS	NHSP Race Track Event Ops	2024.06.22 GraniteScanner
159.3150	S	N293	SP Talk	NHSP Statewide Talkaround, Air Radar- Sometimes Encrypted	2024.06.14 MASSBUSMARK
153.7925	R	N826		Concord Capital Buildings Security and NHSP	2024.11.11 GraniteScanner (SNE Submitter)
158.7825	R	N826		Concord Capital Buildings Security and NHSP	2018.03.12 LTE4NFD
155.8425	R	NAC ?		Concord Capital Buildings
154.7475	R	NAC ?		Concord Capital Buildings

Detailed Troop Information

• NHSP Troop Coverage Map

Troop	Area of State	Troop Station	Jurisdiction
Troop A	South East	Epping	Rockingham County Strafford County
Troop B	South Central	Bedford	Hillsborough County Covers I-93 from MA/NH state line to Hooksett Toll
Troop C	South West	Keene	Cheshire County Sullivan County
Troop D	Central	Concord "Headquarters"	Merrimack County Covers I-93 Hooksett Toll to Ashland. All of I-89 Bow to Vt Line
Troop E	Lakes Region	Tamworth	Belknap County Carroll County
Troop F	Great North	Carroll (Twin Mountain)	Coos County Grafton County
Troop G	State Highways	Concord	Commercial Vehicle Enforcement

Unit ID's for All NHSP Channels

• See NH Police Statewide Radio ID's for LP Freq Units

Units	User
001-099	State Police Administration/Special Units
100-199	State Police Troop A Units
200-299	State Police Troop B Units
300-399	State Police Troop C Units
400-499	State Police Troop D Units
500-599	State Police Troop E Units
600-699	State Police Troop F Units
700-749	State Police Troop G Units
750-799	State Police Marine Patrol, State Hospital Complex, Misc. Units
800-849	State Police Probationary Troopers
850-869	Divsion of Emergency Services & Communications Radio Unit
870-899	State Police Crime Lab Units
900-989	State Police Mobile Enforcement Units
FM-9##	State Fire Marshals Office
MP-##	State Police Marine Patrol Bureau
SE-##	State Homeland Security and Emergency Management
SL-##	State Liquor Enforcement
Fish and Game-##	NH Fish and Game
Forestry-##	NH Department of Natural & Cultural Resources
Ranger-##	NH Forest Protection Bureau Rangers

Specialized Units

• After Clicking Link, Special Units are listed on Left Margin
• Field Operation Bureau
• Investigative Services Bureau
• Support Services Bureau

Commissioner's Office

Railroad Police

• Responsible for commissioning of Railroad Police Officers working for the various railroads within the state.
• Commissioner's Office Railroad Police

Division of the State Liquor Commission

• SL-## Unit ID's on ALL State Police Frequencies
• Enforcement/License Bureau
• Marketing and Sales Bureau
• Administration Bureau
• NH is one of 18 States that Monopolize some Liquor Sales at the State Level

Division of Safety Services

Bureau of Marine Patrol

• New Hampshire Marine Patrol Information

As of Summer 2018, Marine Patrol units are dispatched on State Police frequencies.

Bureau of Tramway and Amusement Safety

• Over sees Tramways at ski areas and amusement park rides

Division of Administration

Road Toll Bureau

• Responsible for all Toll Roads in the State of New Hampshire

Division of Fire Standards and Training and Emergency Medical Services

Fire Academy Operations

• Located in Concord NH

Frequency	Type	Tone	Use	Confirmation/Reconfirmation
154.2650	R	D431	Ch-1 Primary	2015.06.21
159.1350	S	D432	Ch-2 Operations	2015.06.21
156.0450	S	D432	Ch-3 Operations	2015.06.21
156.1875	S	D432	Ch-4 Operations	2015.06.21
154.2800	S	136.5	Ch-5 NH Fireground	2015.06.21
154.2950	S	156.7	Ch-6 VFIRE23	2015.06.21
154.2725	S	156.7	Ch-7 VFIRE24	2015.06.21
154.2875	S	156.7	Ch-8 VFIRE25	2015.06.21
162.4000		CSQ	Ch-15 Weather Receive
154.3550	S	136.5	Ch-16 Concord Fire Tie

Division of Fire Safety

Office of the State Fire Marshal

• Fire Marshals Office identify on the air as FM-900 series Units on the NHSP Radio System
• New Hampshire Fire Marshalls Information
• NH Fire Marshal's Office holds a license for Statewide Fireground use on 154.2800 (WNRW895)

Division of Homeland Security and Emergency Management

• 46.58 is backup radio system for the Seabrook Station Emergency Plan. All other sites deactivated
• Managed and operated by the Division of Emergency Services & Communications (DESC)
• Roll Call 1st Thursday of each Month at 10am for Seabrook EPZ agencies
• SE-## On State Police Frequencies

Frequency	Type	Tone	Use	Confirmation/Reconfirmation
46.5800	R	156.7	HSEM/Seabrook Station Operations	2024.02.07 LTE4NFD

Division of Emergency Services, Communications, and Management

• Responsible for NH E-911 System and the State's radio communications systems, including NHSP, DNCR, F&G, HSEM, and the statewide microwave systems.
• Based in Concord and Laconia
• Units on radio operate HSEM and/or NHSP Radio Systems

Emergency Alert System (EAS)

• Used for transmission of emergency alert messages to various agencies, and media outlets.
• Frequencies are part 74, as they are part of the Emergency Alert system.
• WROH665
• All transmissions are CSQ.

Frequency	Location	Note	Confirmation/Reconfirmation
450.3125	Mount Washington (Coos)		2024.02.07 LTE4NFD
450.3875	Kearsarge Mountain (Merrimack)		2024.01.16 GraniteScanner
450.5875	Warner Hill (Rockingham)		2024.02.07 LTE4NFD
455.3125	Hyland Hill (Cheshire)		2023.11.09 Friend of W1KNE

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