Massachusetts Commonwealth Interoperability Radio System

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CoMIRS - Commonwealth of Massachusetts Interoperability Radio System

  • Motorola P25 Phase I (FDMA)/Phase II (TDMA) hybrid system.
  • System ID: D14
  • WACN: BEE00
  • NAC: Multiple - NAC Varies by Site
  • Massachusetts P25 trunked system.
  • For the Massachusetts State Police Analog system primary page, click here
  • To convert the P25 talkgroup to see if it matches an "analog" talk group, multiply the TG by 16. (i.e. 2209*16=35344)
  • Sites have had analog emissions designators added to their FCC licenses, and may be mixed use.
  • To see a list of ALL TALK GROUPS used on the CoMIRS system, including on the campus sites (Cambridge, Worcester, etc.), please Click Here


  • In 2021, The Commonwealth of Massachusetts started licensing for expansion of the P25 radio system.
  • A temporary page has been created to track and digest the new licenses.
  • When sites do become active and information is confirmed, they will be moved from the temporary page, to this page.
Table of contents -

System Frequencies

North Simulcast (Tower ID: 001-024)

  • Analog channel - 851.8750 pl 141.3
  • NAC = D10
Frequency Usage Notes Latest Confirmation
853.3375 Control Channel 2021.07.27 cg
853.1250 Control Channel 2021.03.08 W1KNE
853.1000 Control Channel 2020.01.09 cg
852.5375 Control Channel 2020.01.09 cg
852.4375 Voice 2021.03.08 W1KNE
852.2125 Voice 2021.03.08 W1KNE

South Simulcast (Tower ID: 001-025)

  • Analog channel - 851.1750 pl 141.3
  • NAC = D10
Frequency Usage Notes Latest Confirmation
853.9000 Control Channel 2021.03.08 W1KNE
852.9750 Control Channel 2020.01.09 cg
852.6625 Control Channel 2020.01.09 cg
852.4750 Control Channel 2021.07.22 jeffkett
851.4250 Voice 2021.03.08 W1KNE
851.2250 Voice 2021.03.08 W1KNE

Warwick (Tower ID: 001-026)

  • NAC = D13
Frequency Usage Latest Confirmation
853.6375 Control Channel 2020.01.09 cg
853.4750 Control Channel 2020.01.09 cg
852.3125 Control Channel 2020.08.22 ecps92
851.3750 Control Channel 2020.01.09 cg
851.2000 Voice 2020.08.22 ecps92

Wilbraham (Tower ID: 001-027)

  • NAC = D14
Frequency Usage Latest Confirmation
853.6375 Control Channel 2020.01.09 cg
853.4750 Control Channel 2020.01.09 cg
852.3125 Control Channel 2020.01.09 cg
851.3750 Control Channel 2020.01.09 cg
851.2000 - Licensed

Stockbridge (Tower ID: 001-028)

  • NAC = D18
Frequency Usage Latest Confirmation
859.2375 Control Channel 2020.03.09 cg
858.2375 Control Channel 2020.03.09 cg
859.4875 Voice 2020.01.09 cg
858.4875 Voice 2020.01.09 cg

Williamsburg (Tower ID: 001-029)

  • NAC = D19
Frequency Usage Latest Confirmation
859.7625 Control Channel 2021.03.08 W1KNE
858.4875 Control Channel 2020.03.09 cg
857.7125 Voice Channel 2020.03.09 cg
855.5375 Voice Channel 2021.07.22 jeffkett
854.2375 Voice 2021.03.08 W1KNE

Williamstown (Tower ID: 001-030)

  • NAC = D10
Frequency Usage Latest Confirmation
859.4875 Control Channel 2021.03.08 W1KNE
856.0375 Control Channel 2020.03.09 cg
855.4875 Voice Channel 2021.03.08 W1KNE

Sandisfield (Tower ID: 001-031)

  • NAC = D11
Frequency Usage Latest Confirmation
858.5375 Control Channel 2020.01.09 cg
857.6125 Control Channel 2016.02.06 cgordon
854.6875 Voice 2016.02.06 cgordon
854.1375 Voice 2016.02.06 cgordon

Tolland (Tower ID: 001-032)

  • NAC = D12
Frequency Usage Latest Confirmation
859.0125 Control Channel 2020.03.09 cg
858.6125 Control Channel 2020.03.09 cg
854.0875 Voice Channel 2020.03.09 cg

Chester (Tower ID: 001-033)

  • NAC = D13
Frequency Usage Latest Confirmation
859.0625 Control Channel 2020.03.09 cg
857.5625 Control Channel 2020.03.09 cg
854.7375 Voice Channel 2020.03.09 cg
854.4125 Voice Channel 2016.02.06 cgordon
854.1625 Voice Channel 2020.03.09 cg

Massport (Tower ID: 001-035)

  • NAC = D15
  • See Massport for Talkgroups associated with this site.
Frequency Use Confirmation/Reconfirmations
857.0125 Control 2021.01.28 ecps92
857.4375 Alternate CC 2016.01.24 N1BHH
858.4375 Alternate CC 2016.01.24 N1BHH
859.4375 Alternate CC 2016.01.24 N1BHH
854.0125 Voice 2016.01.24 N1BHH
855.0625 Voice 2020.04.15 ecps92
855.5875 Voice 2021.04.26 W1KNE
855.8125 Voice 2020.04.15 ecps92
856.4375 Voice 2020.05.24 ecps92
856.8125 Voice 2019.01.21 ecps92
857.8125 Voice 2019.01.21 ecps9
858.2625 Voice 2020.05.15 ecps92
858.8125 Voice 2019.01.21 ecps92
859.2625 Voice 2019.01.21 ecps92
859.8125 Voice 2019.01.21 ecps92

Worcester Regional (Tower ID: 001-036)

  • NAC = D16
  • City of Worcester, town of Shrewsbury, and regional TGs
  • Formerly "City of Worcester" page.

See Worcester Regional for talkgroups associated with this site

Frequency Usage Confirmation/ReConfirmations
858.1375 CC 2016.08.10 ST-Bob
857.2625 CC and Voice 2016.08.10 ST-Bob
856.8375 CC and Voice 2016.08.10 ST-Bob
856.5125 CC
854.1375 Voice
854.2125 Voice
854.4625 Voice 2016.08.10 ST-Bob
855.4875 ?
854.8875 Voice
855.7125 Voice 2016.08.10 ST-Bob
855.7375 Voice 2016.08.10 ST-Bob
855.9625 Voice 2016.08.10 ST-Bob
856.2625 Voice 2016.08.10 ST-Bob

Hampden County Sheriff (Ludlow HOC) (Tower ID: 001-070)

  • NAC = D10
Frequency Usage Latest Confirmation
852.1125 Control Channel 2020.02.24 cg
852.9375 Control Channel 2020.02.24 cg
853.4125 Control Channel 2020.02.24 cg
853.8375 Control Channel 2020.02.24 cg
854.6875 voice 2020.02.24 cg

Mass DOC (MCI Cedar Junction) (Tower ID: 001-071)

  • NAC = D10
Frequency Usage Latest Confirmation
851.0750 Control Channel 2019.06.25 ecps92
852.0625 Control Channel 2013.10.13 wb1hbu
853.1875 Voice 2013.10.13 wb1hbu
852.5500 Voice 2013.10.13 wb1hbu
853.8875 Voice 2013.10.13 wb1hbu

Mass DOC (MCI Framingham) (Tower ID: 001-124)

  • NAC = D10
Frequency Usage Latest Confirmation
853.3250 CC 2020.07.03 ecps92
851.8250 Voice 2020.07.03 ecps92
852.1125
852.3750
851.1000

City of Cambridge (Tower ID: 002-001)

  • NAC = D10

See See Cambridge for talkgroups associated with this site.

Frequency Use Confirmation
857.2875 Control Channel & Voice 2020.04.15 ecps92
857.7875 Control Channel & Voice 2016.05.02 N1BHH
858.7875 Control Channel & Voice 2016.05.02 N1BHH
859.7875 Control Channel & Voice 2016.05.02 N1BHH
851.1250 Voice 2020.04.15 ecps92
851.3250 Voice 2020.04.15 ecps92
851.6250 Voice 2020.04.15 ecps92
852.3000 Voice 2020.04.15 ecps92
852.6875 Voice 2020.04.15 ecps92
853.7875 Voice 2020.04.15 ecps92
856.3625 Voice 2020.04.15 ecps92
856.7875 Voice 2020.04.15 ecps92

700Mhz Metro Boston Overlay System (Tower ID: 002-002)

  • Arlington, Boston 4 Sites, Milton, Quincy, Revere
  • NAC = D12
Frequency Usage Notes Latest Confirmation
774.58125 Control Channel 2021.01.30 W1KNE
774.33125 Control Channel 2018.07.09 GaryS
773.53125 Control Channel 2018.07.09 GaryS
773.58125 Control Channel 2018.07.09 GaryS
773.28125 Voice 2021.06.20 ScanBoston
773.05625 Voice 2021.05.17 ecps92
769.93125 Voice 2021.05.17 ecps92
769.20625 Voice & CW ID 2018.07.09 GaryS
770.15625 Voice 2021.05.17 ecps92
770.45625 Voice Phase 2 TDMA channel 2021.06.20 ScanBoston
770.90625 Voice Phase 2 TDMA channel 2021.06.20 ScanBoston
770.95625 Voice Phase 2 TDMA channel 2021.06.20 ScanBoston

Talkgroups

  • Talkgroups will not appear on All Zones and will vary by configuration and design of the network administrators

Statewide

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2217 MSP STATEWIDE No MSP Airwing 2020.05.12 GaryS
2237 MSP T/A No MSP Talkaround 2021.02.13 cg

Troop A

  • Northeastern Mass.

(See Troop Info Here.)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2073 A-PTL-1 No MSP Troop A Patrol 1 2013.07.07 tljyb
2075 A-PTL-2 No MSP Troop A Patrol 2 2013.08.27 N1BHH

Troop B

  • Western Mass.

(See Troop Info Here.)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2099 B-PTL-1 No MSP Troop B Patrol 1 2021.02.13 cg
2101 B-PTL-2 No MSP Troop B Patrol 2 2021.02.13 cg
2103 B-PTL-3 No MSP Troop B Patrol 3 2021.02.13 cg

Troop C

  • Central Mass.

(See Troop Info Here.)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2111 C-PTL-1 No MSP C Troop Patrol 1 2016.02.14 WorcNews
2113 C-PTL-2 No MSP C Troop Patrol 2 2016.02.14 WorcNews
2115 C-PTL-3 No MSP Troop C Patrol 3 2020.01.25 ScanBoston

Troop D

  • Southeastern Mass.

(See Troop Info Here.)

  • No TGs IDed

Troop E

  • Disbanded

Troop F

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
67 Massport F-PTL-1 MSP F PATROL 1 (*Simulcast on Massachusetts State Police Zone 1) 2019.01.15 gillham

Troop H

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2079 H-PTL-1 No MSP Troop H Patrol 1 2013.07.07 tljyb
2081 H-PTL-2 No MSP Troop H Patrol 2013.08.27 N1BHH
2083 H-PTL-3 No MSP Troop H Patrol 2013.08.06 CPL22586

Interop/Wide Area

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
625 Worc EM Wide No Worcester EMA Wide-Area
627 Worc FD Wide No Worcester Fire Wide-Area 2016.08.29 mjd553
629 Worc PD Wide No Worcester Police Wide-Area
631 Worc EMS Wide No Worcester EMS Wide-Area 2020.04.12 mjd553
1055 MetroFire No MetroFire Central 2018.12.18 GaryS
1069 MetroFire No MetroFire White - 483.2875 2019.01.09 ecps92
2513 WEMLEC Intercity Police No WEMLEC PD 2021.02.13 cg
2515 WEMLEC Intercity Fire No WEMLEC FD 2021.02.13 cg
2529 BAPERN 3 Area Wide NO Areawide 3 2020.09.24 ScanBoston
2531 BAPERN 4 Area Wide No Areawide 4 2020.09.24 ScanBoston
2533 BAPERN 2 North No BAPERN 2N
2535 BAPERN 2 South No BAPERN 2S
2537 BAPERN 2 West No BAPERN 2W
2539 BAPERN 2 Central No BAPERN 2C 2020.09.22 lkh62
2541 BAPERN 2 NorthWest No BAPERN 2NW
2543 BAPERN 2 SouthEast No BAPERN 2SE
2547 BAPERN 2 SouthWest No BAPERN 2SW
3149 BAPERN CENTRAL No BAPERN Central 2017.06.29 ecps92

Special Ops (SOPS)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2085 SOPS 1 No MSP Special Ops 1 2020.04.07 ecps92
2093 SOPS 2 No MSP Special Ops 2 2020.04.07 ecps92
2105 SOPS 3 No MSP Special Ops 3 2021.02.13 cg
2107 SOPS 4 No MSP Special Ops 4 2021.02.13 cg
2117 SOPS 5 No MSP Special Ops 5
2119 SOPS 6 No MSP Special Ops 6
2131 SOPS 7 No MSP Special Ops 7 2020.05.05 ecps92
2133 SOPS 8 No MSP Special Ops 8 2020.04.10 ecps92

Local Public Safety (LPS)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2271 LPS 1 No Local Public Safety 1 2020.09.24 ScanBoston
2273 LPS 2 No Local Public Safety 2 2020.09.24 ScanBoston
2275 LPS 3 No Local Public Safety 3 2017.06.17 ecps92
2277 LPS 4 No Local Public Safety 4
2279 LPS 5 No Local Public Safety 5
2281 LPS 6 No Local Public Safety 6
2283 LPS 7 No Local Public Safety 7 2020.03.15 Sawyer100 (SNE Submitter)
2285 LPS 8 No Local Public Safety 8
2287 LPS 9 No Local Public Safety 9 2021.02.13 cg
2289 LPS 10 No Local Public Safety 10 2021.02.13 cg

Department of Conservation and Recreation (DCR)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
655 DCR ATG No DCR Announcement Talk-Group
657 DCR North 1 No
659 DCR North 2 No
661 DCR Boston 1 (Harbor 1) No 2020.09.22 lkh62
663 DCR Boston 2 (Harbor 2) No 2020.09.24 ScanBoston
665 DCR South 1 No 2020.09.24 ScanBoston
667 DCR South 2 No 2020.09.24 ScanBoston
669 DCR Maint No
671 DCR FLD OPS No MA DCR Field Operations 2021.02.13 cg
673 DCR Tac Ops No 2017.06.17 ecps92
675 DCR EMERG No MA DCR Emergency/Patch 10 2020.03.15 Sawyer100 (SNE Submitter)
677 DCR State House No 2020.02.21 ecps92
679 DCR Engineering 1 No 2021.05.10 OceanNora
681 DCR Engineering 2 No
683 DCR DCR Ranger 2 No MA DCR (NPS Islands) 2020.09.24 ScanBoston
691 DCR Fire-1 No MA DCR Fire Towers 2021.02.13 cg
693 DCR Fire-2 No MA DCR Fire Towers 2020.03.15 Sawyer100 (SNE Submitter)

Department of Environmental Protection (DEP)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2309 DEP 1 No Dept of Envr Prot 1 2013.03.29

Massachusetts Emergency Managment (MEMA)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2431 MEMA METRO No MA Emerg Mgmt - Metro area 2021.02.13 cg
2433 MEMA EAST No MA Emerg Mgmt - Eastern MA 2013.06.15
2439 MEMA WEST No MA Emerg Mgmt - Western MA 2021.02.13 cg
2441 MEMA WIDE No MA Emerg Mgmt - Wide Area 2021.02.13 cg

Massachusetts Environmental Police (MEP)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2445 MEP-4 West No 2021.03.08 W1KNE
2447 MEP 1 Common No 2020.03.16 W1KNE
2449 MEP-2 No
2451 MEP-3 Inland No 2021.02.13 cg

Department of Fire Services (DFS)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2497 DFS East No Dept of Fire Services - East
2503 DFS West No Dept of Fire Services - West 2021.02.13 cg


Department of Transportation (MassDOT)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2003 TNPK 02 No Mass DOT 02 2021.02.13 cg
2035 TNPK 18 No Mass DOT 18 2013.09.09
2039 TNPK 20 No Mass DOT 20 2021.02.13 cg
2043 TNPK 22 No Mass DOT 22 2021.02.13 cg


Massport

  • Also see Troop F above
Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
153 Massport PD 1 No Massport Police 1 (Primary) See Massport for Confirmations

Statewide Miscellaneous

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2049 EVENTS 1 No Events 1 2021.02.13 cg
2055 EVENTS 4 No Events 4 2020.06.03 CG
2209 SP Tech SW No Radio Techs Testing 2020.03.15 Sawyer100 (SNE Submitter)
2315 CORR TNSPRT No Corrections Transport 2014.07.01

Massachusetts Bay Transportation Authority (MBTA)

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
3329 Transit Police Channel 1 No Simulcast on UHF 2019.10.20 GaryS
3331 Transit Police Channel 2 No Simulcast on UHF 2019.10.20 GaryS
3337 Transit Police Channel 7 No No UHF simulcast 2019.10.20 GaryS
3339 Transit Police Channel 8 No No UHF simulcast 2019.10.20 GaryS
3641 SP Astro SW No voice and data 2012.12.12

Franklin County

  • Operations channels are available to police and fire agencies.
  • The 22xx and 23xx Talk Groups may be inactive as they were used for system capacity testing.
Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
3697 FC FD Simulcast 1 No Franklin County Fire Simulcast w/ 460.4000 2021.03.08 W1KNE
3699 FC PD Simulcast 1 No Franklin County Police Simulcast w/ 460.3500 2021.03.08 W1KNE
3701 Franklin County No Operations 3 2021.06.05 ghoward02
3702 Franklin County No Operations 4 2021.06.05 ghoward02
3705 Franklin County No Operations 5 2021.06.05 ghoward02
3707 Franklin County No Operations 6 2021.06.05 ghoward02
3709 Franklin County No Operations 7 2021.06.05 ghoward02
2577 Greenfield FD No Greenfield Fire 2021.06.05 ghoward02
2579 Greenfield PD No Greenfield PD patch w/ 460.5250 2021.03.08 W1KNE
2585 Orange FD No Orange Fire 2021.06.05 ghoward02
2587 Orange PD No Orange PD - Patched with analog TG 2021.03.08 W1KNE
2583 Montague Police No Montague Police 2021.06.05 ghoward02
2581 Turner's Falls Fire No TF Fire (Part of Montague) 2021.06.05 ghoward02
2298 FC Montague 2 No Franklin Cty Montague patch w/ 453.9875 2020.02.24 cg
2300 FC New Salem 1 No Franklin Cnty New Salem 1 patch w/ 453.2875
2302 FC Toby 1 No Franklin Cty Toby 1 patch w/ 460.1875 2020.02.24 cg
2304 FC Toby 2 No Franklin Cty Toby 2 patch w/ 460.6000 2020.03.02 ghoward02
2306 FC Shelburne 1 No Franklin Cty Shelburne 1 patch w/ 453.4750 2020.02.24 cg
2314 FC Colrain 1 No Franklin Cty Colrain 1 patch w/ 453.4250 2020.03.09 ghoward02
2316 FC Erving 1 No Franklin Cty Erving 1 patch w/ 453.2625 2020.03.09 ghoward02
2317 FC Charlemont No Franklin Cty Charlemont patch w/ 460.5500 2020.03.15 ghoward02

Hampden County

  • For towns covered by C-8 Regional Dispatch, see "Worcester County" below.

Hampshire County

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2307 HampshireCty No HampshireCty Simulcast with 154.7700 2021.02.13 cg

Worcester County

Talkgroup ID Encrypted Notes Confirmation/ReConfirmation
2301 NB PD-1 No New Braintree Regional PD-1 2016.02.14 WorcNews

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