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Somerset County (NJ)

From The RadioReference Wiki

Law Enforcement

Law enforcement agencies primarily operate on the Somerset County trunked radio system unless otherwise noted. Home channels are the standard dispatch channel but may be altered for special events or extenuating circumstances.

IDs Town/ Department Dispatch Center Home Channel & Notes
1-## Bedminster Police County Police Region 1
2-## Bernards Police County Police Region 1
n/a Lyons VA - VA Police Self Conventional, UHF. Located in Bernards.
3-## Bernardsville Police Self Conventional, VHF-Low
4-## Bound Brook Police County Police Region 2
5-## Branchburg Police County Police Region 7, conventional talk-around on VHF-High.
6-## Bridgewater Police County Police Region 10
7-## Far Hills Police County Police Region 1
8-## Franklin Police Self FTPD. Also provides Rocky Hill targeted traffic enforcement.
9-## Green Brook Police County Police Region 4
10-## Hillsborough Police County Police Region 7
11-## Manville Police County Police Region 5
n/a Millstone - NJSP Somerville Self NJICS, Troop B 5-Comm
13-## Montgomery Police County Police Region 5
14-## North Plainfield Police Self Police Region 3
15-## Peapack-Gladstone Police County Police Region 1
16-## Raritan Police County Police Region 6
n/a Rocky Hill - NJSP Kingwood Self NJICS, Troop C 5-Comm. Franklin provides targeted traffic enforcement.
18-## Somerville Police County Police Region 6
19-3# South Bound Brook Police County Police Region 2
20-## Warren Police Self Police Region 11
21-## Watchung Police Self Conventional, UHF
22-## Prosecutor County & Self Prosecutor's
23-## Sheriff County Sheriff
24-## Sheriff Corrections/ Prisoner Transport County Sheriff
27-## Dunellen Police (Middlesex County) County Police Region 4
R-## Parks Commission Rangers County & Self Rangers
n/a Interstates - NJSP Somerville Self NJICS, Troop B 5-Comm. I-78 & I-287 within Somerset County and beyond.
n/a unassigned n/a Police Region 8
n/a unassigned n/a Police Region 12

Fire & Emergency Medical Services

Gmaps - Somerset County Fire Stations

Gmaps - Somerset County EMS Stations

Trunked Radio Plan

Department primary operations are on the county trunked radio system unless otherwise noted. Many departments on conventional primary channels also have trunked abilities as backup and for mutual aid.

  • FIRE Region 1
    • Bedminster Township
    • Bernards Township, primary on Bernards Fire Dispatch.
    • Bernardsville
    • Far Hills
    • Peapack & Gladstone
  • FIRE Region 2
  • FIRE Region 3
  • FIRE Region 4
    • Bound Brook
    • Manville
    • Raritan
    • Somerville
    • South Bound Brook
  • FIRE Region 5
    • Mixed Use - FD Alarm Level Standby, Franklin Twp Fallback.
  • FIRE Region 6
    • Hillsborough Township
    • Montgomery Township
    • Rocky Hill
  • EMS Region 1
    • RWJBH ALS & BLS (units with capabilities).
    • Basking Ridge primary on Bernards Fire Dispatch.
    • Bernardsville
    • Bound Brook
    • Bradley Gardens FARS
    • Dunellen
    • Far Hills / Bedminster
    • Finderne
    • Green Knoll
    • Manville
    • Martinsville
    • Peapack & Gladstone
    • Somerville
  • EMS Region 2
    • Branchburg
    • East Millstone (Millstone calls)
    • Montgomery
    • Rocky Hill (Rocky Hill calls)
  • Franklin EMS Main
    • RWJBH ALS & BLS (units with capabilities).
    • East Millstone (Franklin calls)
    • Kendall Park
    • Rocky Hill (Franklin calls)

EMS Coverage Schedule

Municipality Daytime Primary Other Times Primary
Bedminster Twp Robert Wood Johnson EMS (Mon-Fri) Far-Hills Bedminster First Aid Squad
Bernards Twp Atlantic Ambulance Corporation Basking Ridge Fire Company EMS
Bernardsville Borough Bernardsville Fire Company EMS Bernardsville Fire Company EMS
Bound Brook Borough Bound Brook EMS Robert Wood Johnson EMS
Branchburg Twp Robert Wood Johnson EMS (Tue-Thu Only) Branchburg Rescue Squad
Bridgewater Twp, Green Knoll/ Martinsville area Green Knoll Rescue Squad &
Martinsville Rescue Squad (Mon-Fri)
Central Somerset EMS Collaborative
Bridgewater Twp, Finderne area Robert Wood Johnson EMS (Mon-Fri) Central Somerset EMS Collaborative
Bridgewater Twp, Bradley Gardens area Robert Wood Johnson EMS (Mon-Fri) Bradley Gardens Rescue Squad
Far Hills Borough Atlantic Ambulance Corporation Far-Hills Bedminster First Aid Squad
Franklin Twp, East Millstone Area Robert Wood Johnson EMS (7 days) East Millstone First Aid Squad
Franklin Twp, Franklin Park Area Kendall Park First Aid & Rescue Squad Kendall Park First Aid & Rescue Squad
Franklin Twp, Rocky Hill Area Rocky Hill First Aid & Rescue Squad Rocky Hill First Aid & Rescue Squad
Franklin Twp, Remainder Robert Wood Johnson EMS Robert Wood Johnson EMS
Green Brook Twp Atlantic Ambulance Corporation Atlantic Ambulance Corporation
Hillsborough Twp Robert Wood Johnson EMS Robert Wood Johnson EMS
Manville Borough Robert Wood Johnson EMS (7 days) Central Somerset EMS Collaborative
Millstone Borough Robert Wood Johnson EMS (7 days) East Millstone First Aid Squad
Montgomery Twp Montgomery EMS Montgomery EMS
North Plainfield Borough North Plainfield Fire Department EMS North Plainfield Fire Department EMS
Peapack-Gladstone Borough Peapack-Gladstone First Aid & Rescue Squad Peapack-Gladstone First Aid & Rescue Squad
Raritan Borough Robert Wood Johnson EMS Robert Wood Johnson EMS
Rocky Hill Borough Rocky Hill First Aid & Rescue Squad Rocky Hill First Aid & Rescue Squad
Somerville Borough Somerville Rescue Squad (Mon-Fri) Central Somerset EMS Collaborative
South Bound Brook Borough Robert Wood Johnson EMS Robert Wood Johnson EMS
Warren Twp Atlantic Ambulance Corporation (Mon-Fri) Warren Township Rescue Squad
Watchung Borough Atlantic Ambulance Corporation Watchung Rescue Squad

Central Somerset EMS Collaborative (95 EMS) is an arrangement by Green Knoll RS (34 EMS), Finderne FARS (35 EMS), Manville RS (42 EMS), Martinsville RS (43 EMS), and Somerville RS (54 EMS), with rotating duty crews to cover the overall area. 95 EMS is active 1800-0600 Monday to Friday and continuously on weekends though its Manville coverage starts later on weekdays and omits weekend daytimes.

Emergency Services Tones

Listed agencies may also have primary responsibilities, and direct dispatch from, outside of Somerset County. Service areas are primary Somerset County and Somerset County-dispatched municipalities and do not represent myriad mutual aid scenarios. Paging voice messages may be multicast on other frequencies but pager tones are usually over only the listed frequency(ies) for that agency.

Agency Name Serves Radio
Freq.
Tone A Tone B Notes
04 EMS Bound Brook EMS Bound Brook & Middlesex 155.3100 2073.0 1036.0
08 Fire Franklin Fire Inspectors Franklin 470.1375 1026.0 2334.6
10 Fire Hillsborough Fire District Hillsborough 470.1375 473.2 1901.0 General alarm for 36, 37, 38, & 48; also blows 36's siren. 10-_____ units are district units as opposed to volunteer station units.
15 Tech Rescue Bound Brook RS Bound Brook 155.3100 2073.0 1180.0
20 EMS Duty Crew Basking Ridge FC1 Bernards 154.4150 701.0 540.7 Same tones tested on 470.1375 in September 2025 but since then no sign of change.
20 EMS General Basking Ridge FC1 Bernards 154.4150 701.0 765.0 Same tones tested on 470.1375 in October 2025 but since then no sign of change.
20 Fire Basking Ridge FC1 Bernards 154.4150 1530.0 950.0 Same tones tested on 470.1375 in September 2025 but since then no sign of change.
21 Fire Pagers Bradley Gardens VFC Bridgewater 507.2375 2688.0 834.0 District 2.
21 Fire Siren Bradley Gardens VFC Bridgewater 507.2375 2688.0 2073.0 District 2. Siren is disconnected but tones are still transmitted.
22 EMS Siren Bernardsville FC1 & FAS Bernardsville 470.1375 1901.0 1465.0 Siren tones usually only transmitted daytime.
22 Fire Siren Bernardsville FC1 & FAS Bernardsville 470.1375 1901.0 1669.0 Siren tones usually only transmitted daytime.
22 Fire/EMS Pagers Bernardsville FC1 & FAS Bernardsville 470.1375 1901.0 1180.0 Shared tones for EMS and fire calls.
23 Fire Bound Brook FD Bound Brook 470.1375 321.7 339.6
24 Fire Country Hills VFC Bridgewater & Branchburg 507.2375 1500.0 2073.0 Bridgewater District 3. Same tones tested on 470.1375 in February 2026, may soon shift to multicast.
25 Fire Community VFC1 Franklin 154.3100 & 470.1375 1026.0 2255.0 District 3. District-wide tone, no individual station tones.
26 Fire Elizabeth Avenue VFC Franklin 470.1375 1026.0 1287.0 District 1.
27 Fire East Franklin VFD Franklin 154.3100 & 470.1375 1026.0 2255.0 District 3. District-wide tone, no individual station tones.
28 Fire Millstone Valley FD Franklin & Millstone 470.1375 1026.0 2807.0 District 1.
29 EMS Far Hills-Bedminster FAS Bedminster & Far Hills 506.9875 1403.0 1743.0
29 Fire Far Hills-Bedminster FD Bedminster & Far Hills 506.9875 1403.0 992.0
30 Fire Finderne EC1 Bridgewater 470.1375 1669.0 1130.0 Bridgewater District 4.
31 Fire Franklin Park FC Franklin 470.1375 1026.0 2164.0 District 2.
32 Fire Readington VFC Branchburg 154.3100 810.2 1357.6
33 Fire Green Brook FD Green Brook & Dunellen 470.1375 1395.0 767.4
34 EMS Duty Crew Green Knoll RS Bridgewater 470.1375 1669.0 2688.0 See 95 EMS for nights and weekends.
34 EMS General Green Knoll RS Bridgewater 470.1375 2073.0 799.0 Shared with 43 EMS.
34 Fire Green Knoll VFC1 Bridgewater 507.2375 2688.0 1669.0 Bridgewater District 3. Same tones tested on 470.1375 in February 2026, may soon shift to multicast.
35 EMS Finderne FARS Bridgewater 470.1375 1130.0 2688.0 Seldom used, see 95 EMS for nights and weekends.
35 Fire Griggstown FC Franklin 470.1375 1026.0 2640.0 Districts 2 & 4.
36 Fire Hillsborough #1 Hillsborough 470.1375 473.2 645.7 Hillsborough Fire District, pagers & siren. Flagtown.
37 Fire Hillsborough #2 Hillsborough 470.1375 473.2 855.5 Hillsborough Fire District. Towne Center.
38 Fire Hillsborough #3 Hillsborough 470.1375 473.2 767.4 Hillsborough Fire District. Woods Road.
39 EMS Duty Crew Bradley Gardens RS Bridgewater 470.1375 2688.0 2500.0
39 EMS General Bradley Gardens RS Bridgewater 470.1375 2688.0 1985.0
39 Fire Kingston VFC1 Franklin 154.3100 1026.0 2084.0 Mutual aid to Districts 2 & 4.
40 Fire Liberty Corner FC Bernards 154.4150 1530.0 1036.0 Same tones tested on 470.1375 in October 2025 but since then no sign of change.
41 Fire Little Rocky Hill VFC Franklin 470.1375 1026.0 389.0 Districts 2 & 4.
42 EMS Manville RS Manville 470.1375 1344.0 1232.0 Seldom used, see 95 EMS for nights.
42 Fire Manville FD Manville 470.1375 2073.0 2255.0
43 EMS Duty Crew Martinsville RS Bridgewater 470.1375 2073.0 1669.0 See 95 EMS for nights and weekends.
43 EMS General Martinsville RS Bridgewater 470.1375 2073.0 799.0 Shared with 34 EMS.
43 Fire Pagers Martinsville VFD Bridgewater 470.1375 1291.4 871.0
43 Fire Siren Martinsville VFD Bridgewater 470.1375 1291.4 1130.0
44 Fire Middlebush VFD Franklin 470.1375 1026.0 2465.0 District 1.
45 Fire Montgomery #1 Montgomery 470.1375 1130.0 1344.0 District 1.
46 Fire Montgomery #2 Montgomery 154.3100 & 470.1375 1201.0 1901.0 District 2.
47 EMS Duty Crew Montgomery EMS Montgomery 470.1375 2932.0 732.0
47 EMS General Montgomery EMS Montgomery 470.1375 2932.0 1781.5
48 Fire Neshanic VFC Hillsborough & Branchburg 470.1375 473.2 532.5 Hillsborough Fire District.
49 Fire North Branch FC Bridgewater & Branchburg 507.2375 1985.0 1669.0 Bridgewater District 3.
50 Fire Duty Crew North Plainfield FD North Plainfield 470.1375 1130.0 697.5 EMS and fire calls.
50 Fire General North Plainfield FD North Plainfield 470.1375 697.5 799.0
51 EMS Pagers Peapack-Gladstone FARS Peapack-Gladstone 506.9875 2575.0 950.0
51 EMS Siren Peapack-Gladstone FARS Peapack-Gladstone 470.1375 n/a n/a DTMF tones; former tones (1209.0/1336.0) seem discontinued.
51 Fire Pagers Peapack-Gladstone VFC Peapack-Gladstone 506.9875 2575.0 1130.0
51 Fire Siren Peapack-Gladstone VFC Peapack-Gladstone 470.1375 n/a n/a DTMF tones; former tones (1209.0/1336.0) seem discontinued.
52 EMS Pair 1 East Millstone FAS Franklin 470.1375 1026.0 746.8 Franklin usually uses this pair, but sometimes the other or both.
52 EMS Pair 2 East Millstone FAS Millstone 470.1375 1026.0 1232.0 County always uses this pair.
52 Fire Raritan FD Raritan 470.1375 2688.0 1036.0
53 EMS Rocky Hill FARS Rocky Hill & Franklin 470.1375 643.0 900.0
53 Fire Rocky Hill FD Rocky Hill & Franklin 154.3100 & 470.1375 643.0 2575.0 Primary responder for Franklin District 4.
54 EMS Duty Crew Somerville RS Somerville 470.1375 349.0 368.5 See 95 EMS for nights and weekends.
54 EMS General Somerville RS Somerville & Raritan 470.1375 349.0 433.7 Rescue calls (including Raritan), EMS extra calls, and retones.
55 Fire South Bound Brook FC1 South Bound Brook 154.3100 569.1 600.9
56 Fire Somerset FRC1 Franklin 470.1375 1026.0 1930.2 District 1.
57 Fire Somerville FD Somerville 470.1375 553.9 584.8
59 Fire Lyons VA FD Lyons Campus 407.0750 1153.4 304.7 Self-dispatch, fire & EMS calls.
59 Fire Lyons VA FD Lyons Campus 154.4150 1530.0 979.9 County dispatch, tones unconfirmed (B may be 992.0).
60 EMS Duty Crew Watchung RS Watchung 472.1250 1642.0 1180.0
60 EMS Scramble Watchung RS Watchung 472.1250 1642.0 1082.0
60 Fire Pagers Watchung FD Watchung 460.6250 871.0 1232.0
60 Fire Siren Watchung FD Watchung 460.6250 871.0 1036.0
61 EMS Duty Crew Warren RS Warren 471.0750 794.3 1130.0
61 EMS General Warren RS Warren 471.0750 794.3 1180.0
61 Fire Warren FD Warren 470.6250 716.7 1344.0
63 Fire Pagers Pottersville VFC Bedminster 506.9875 2575.0 1287.0
63 Fire Siren Pottersville VFC Bedminster 506.9875 2575.0 1465.0
74 EMS Duty Crew Branchburg RS Branchburg 470.1375 1465.0 1232.0
74 EMS General Branchburg RS Branchburg 470.1375 1465.0 1180.0 Rescue calls, EMS extra calls, and retones.
82 EMS Middlesex RS Middlesex 156.0525 1287.0 1985.0 Somerset pages for mutual aid.
82 Fire Middlesex FD Middlesex 154.4450 2575.0 1985.0
86 EMS Duty Crew Dunellen RS Dunellen 470.1375 1520.0 1926.0
86 EMS General Dunellen RS Dunellen 470.1375 1520.0 1201.0
86 Fire Dunellen FD Dunellen & Green Brook 158.820 349.0 330.5
95 EMS Central Somerset EMS Collaborative Bridgewater, Manville, & Somerville 470.1375 2688.0 1232.0 34 EMS, 35 EMS, 42 EMS, 43 EMS, & 54 EMS
97 EMS OEM EMS Coordinators Countywide 470.1375 496.8 399.8
98 HazMat Rep County Hazardous Materials Team Countywide 470.1375 496.8 358.6 Duty officer notifications/ responses.
98 HazMat General County Hazardous Materials Team Countywide 470.1375 832.5 1465.0
99 Fire OEM Fire Coordinators Countywide 470.1375 2688.0 1130.0
n/a Kendall Park FARS Franklin Middlesex Trunked System 2000.0 1000.0 Paged by South Brunswick for Franklin calls, see South Brunswick Emergency Services Paging talkgroup.
n/a Rescue Taskforce Countywide 470.1375 496.8 339.6 Active shooter responses, countywide alerting of locally-based organizations. Tests around noon on first of each month.
n/a Bridgewater District 3 General Bridgewater 507.2375 1985.0 834.0 General alarm for 24, 34, & 49.
n/a Franklin District 1 Duty Crew Franklin 470.1375 1026.0 564.7 Duty crew for 26, 28, 44, & 56.
n/a Franklin District 1 General Franklin 470.1375 1026.0 1110.0 General alarm for 26, 28, 44, & 56.
n/a Franklin District 2 General Franklin 470.1375 1026.0 668.3 General alarm for 31, 35, & 41.

Fire & EMS Apparatus Identifiers

Designator Apparatus
101 - 110 Pumpers
111 - 114 Ladders (Towers & Aerials)
115 - 120 Ladders with Pumps
121 - 124 Articulating Booms
125 - 130 Articulating Booms with Pumps
131 - 134 Tankers
135 - 140 Tanker/Pumper
141 - 144 Brush Trucks
145 - 150 Mini Pumpers
151 - 160 Utility / Light / Rescue / Service Trucks
161 - 170 Command Vehicles
171 - 180 Ambulances (Station#) BLS (##) Example: "74 BLS 2"

Usage Example: 55-115 Ladder Truck with a Pump from South Bound Brook Fire Co.

Hospital-Based EMS Units

For a majority of Somerset County's hospital ALS & BLS units, see the MedCentral wiki

Advanced Life Support

Designator Agency Towns Covered
8A1 - 8A3 RWJ - Somerset Most Somerset County municipalities
8A4 RWJ - Somerset Special Events ALS Unit
8D1 RWJ - Somerset Tactical ALS (SWAT Medical Support)
1A1, 1A4, 1A5 RWJ - New Brunswick Backup to Station 8 ALS units, primarily Franklin, Montgomery, and lower East-Southeast Somerset County
Medic 11 & 12 Atlantic Health EMS Bernardsville & Bernards Township
1101/1131, 1102/1132, 1103/1133 (day/night) JFK Medical Center Green Brook Twp, North Plainfield, Warren Twp, Watchung

Basic Life Support

Designator Agency Towns Covered
8B1 & 8B2 RWJ - Somerset Bridgewater Township, Manville Borough, Raritan Borough, South Bound Brook Borough
8B3 RWJ - Somerset Branchburg Township
8B5 RWJ - Somerset Bedminster Township
8B10 RWJ - Somerset Hillsborough Township
1B4 & 1B8 RWJ - New Brunswick Franklin Township, Millstone Borough
EMS 8 Atlantic Health EMS Watchung Borough
EMS 9 Atlantic Health EMS Warren/Watchung Backup
EMS 10 Atlantic Health EMS Warren Twp
EMS 17 Atlantic Health EMS Bernards Township (Liberty Corner)
EMS 21 Atlantic Health EMS Green Brook Twp


Search & Rescue Agencies

Station Agency
80 Minebrook Search and Rescue
n/a Somerset County Search and Rescue

Emergency Management Agencies

Designator Municipality
900 Series Somerset County
1801 Bedminster Twp
1802 Bernards Twp
1803 Bernardsville Borough
1804 Bound Brook Borough
1805 Branchburg Twp
1806 Bridgewater Twp
1807 Far Hills Borough
1808 Franklin Twp
1809 Green Brook Twp
1810 Hillsborough Twp
1811 Manville Borough
1812 Millstone Borough
1813 Montgomery Twp
1814 North Plainfield Borough
1815 Peapack-Gladstone Borough
1816 Raritan Borough
1817 Rocky Hill Borough
1818 Somerville Borough
1819 South Bound Brook Borough
1820 Warren Twp
1821 Watchung Borough

Trunk System Radio IDs

The Radio ID's for both Trunk System's are now being updated on a regular basis and can be downloaded here

Related Pages