Middlesex County Police Departments

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Countywide Information

  • Some Middlesex County Police Departments belong to Boston Area Police Emergency Radio Network (BAPERN) and others belong to the Northeast Massachusetts Law Enforcement Council (NEMLEC)
  • Devens is Census Desginated Place, located in the towns of Ayer, Shirley (Middlesex County) and Harvard (Worcester County), it was a Military base that was redeveloped into an "enterprise zone". The nearby Devens Reserve Forces Training Area is located in Lancaster. Devens is provided police protection from Massachusetts State Police Barracks C-9, and operates on C-PTL-4
  • Hanscom is also not an Incorporated Massachusetts Town, it is an Air Force Base located in Bedford, Police Provided by the Military

Department Frequency Information

Department Frequency Type Tone Notes/Comments Confirmation/ReConfirmation
Acton 154.8150 R 173.8 2021.02.18 W1KNE
Arlington 471.1625 R N643 2020.10.03 ScanBoston
Arlington 471.1625 R 131.8 2020.09.17 ecps92
Ashby 453.6875 R 91.5 2017.09.13 jbella
Ashland 483.1125 R 123.0 2021.01.01 W1KNE
Ayer 158.8950 R N895 Primary channel, AKA "Alpha" or "942" 2021.04.07 W1KNE
Ayer 158.7900 R 151.4 Backup/secondary, AKA "Charlie" or "802" 2019.05.15 MrSvenSven
Bedford 482.7125 R N262 2021.01.01 W1KNE
Belmont 471.4125 R 131.8 2021.01.01 W1KNE
Billerica 483.0875 R 146.2 Ch-01 2021.01.01 W1KNE
Billerica 484.0250 R 146.2 Ch-02 2021.12.04 MASSBUSMARK
Boxboro 155.6475 R N263 Primary 2021.01.21 W1KNE
Boxboro 155.6475 R 136.5 2015.06.14 W1KNE
Burlington 482.4875 R N272 Primary 2021.01.02 W1KNE
Burlington 482.4875 R 146.2 2014.06.14 N1BHH
Cambridge 470.3125 R 131.8 Patched to/from TRS 2021.01.01 W1KNE
Cambridge Cambridge City Trunk T Patched to/from UHF Seen Trunk page for confirmation(s).
Carlisle 460.2875 R N369 2021.02.27 ecps92
Carlisle 460.2875 R D411 2020.07.03 W1KNE
Chelmsford 482.5125 R 146.2 2021.01.15 MASSBUSMARK
Concord 482.3375 R 146.2 2018.03.08 W1KNE
Dracut 482.8875 R 146.2 DB: NMRCC 2021.01.02 W1KNE
Dracut 483.7500 R 146.2 Ch-02 2021.01.15 MASSBUSMARK
Dunstable 155.5800 R 94.8 Shared with Groton 2021.03.12 ecps92
Everett 470.8125 R 131.8 2021.01.02 W1KNE
Framingham 471.7625 R 131.8 2021.01.01 W1KNE
Groton 155.5800 R 94.8 Shared with Dunstable 2021.01.02 W1KNE
Holliston 471.3375 R N312 Mixed Mode - Digital Encrypted 2021.01.29 W1KNE
Holliston 471.3375 R 123.0 Mixed Mode - Analog Clear 2021.02.15 W1KNE
Hopkinton 471.6125 R 123.0 2021.01.15 W1KNE
Hudson 470.6000 R D411 2021.03.22 W1KNE
Lexington 471.1875 R N775 2021.01.01 W1KNE
Lincoln 483.0000 R 131.8 2021.01.01 W1KNE
Littleton 155.8500 R 151.4 2021.01.20 W1KNE
Lowell 482.4125 R N366 Primarily P25 - Partial ENC 2021.01.15 MASSBUSMARK
Lowell 482.4125 R 146.2 P25 is Primary Mode as of 05-2012 2012.05.09
Lowell 484.9500 R N366 TAC 2 - Fulltime ENC 2021.11.13 MASSBUSMARK
Lowell 453.1250 R 192.8 Fire-PD Interop (11). (Patched to 155.4000)
Malden 470.7625 R N263 Mixed mode 2021.01.02 W1KNE
Malden 470.7625 R 131.8 Mixed mode 2017.01.02 MrSvenSven
Marlborough 856.4625 R D023 Ch-01 2021.02.26 W1KNE
Marlborough 857.4625 R D023 Ch-02 2021.05.24 W1KNE
Maynard 453.7000 R D065 2021.03.22 W1KNE
Maynard 155.0100 R 107.2 Dual Mode 2019.04.28 ecps92
Maynard 155.0100 R N312 Dual Mode
Medford 470.5875 R 131.8 2021.01.01 W1KNE
Melrose 471.0375 R 131.8 2021.03.22 W1KNE
Natick 472.7375 R 131.8 2021.01.01 W1KNE
Natick 472.8250 R D654 Special Events
Newton 470.8375 R 131.8 Ch-01 2021.01.01 W1KNE
Newton 470.3875 R 131.8 Ch-02 2019.02.20 KennyBlues
North Reading 482.7375 R N664 Primary 2021.03.22 W1KNE
North Reading 482.7375 R 146.2 2017.01.02 MrSvenSven
Pepperell 482.8000 R 127.3 2017.08.29 MrSvenSven
Reading 483.6625 R N944 2020.01.04 W1KNE
Sherborn 471.6375 R 114.8 2021.01.01 W1KNE
Shirley 155.5350 R 131.8 2021.02.20 W1KNE
Somerville 470.5375 R 131.8 Ch-01 2021.01.02 W1KNE
Somerville 453.5500 R 141.3 Ch-02 2016.02.08 N1BHH
Somerville 453.4000 R D125 Ch-05 2016.02.16 N1BHH
Stoneham 482.5375 R N438 Primary 2021.01.20 W1KNE
Stoneham 482.5375 R 146.2 2017.01.16 ecps92
Stow 155.5950 R C04 SL: 1 TG: 305 - Operations 2021.01.09 W1KNE
Sudbury 852.9125 R N443 Primary (Encryption Used) 2021.07.01 W1KNE
Sudbury 852.9125 R D023 Back-up use 2019.04.19 GaryS
Tewksbury 482.6625 R 146.2 DB: NMRCC Ch-01 2021.03.22 W1KNE
Tewksbury 483.5000 R N226 Tac 2 P25 2021.11.13 MASSBUSMARK
Tewksbury 483.5000 R 146.2 Tac 2 Analog 2014.08.05 jack103x
Townsend 453.8250 R 186.2 DB: NVRDD 2020.05.22 N1ZYY
Tyngsboro 484.8750 R 146.2 2021.11.13 N1ZYY MASSBUSMARK
Wakefield 471.7875 R 131.8 2021.01.01 W1KNE
Waltham 470.5125 R N512 Ch-01 2021.01.01 W1KNE
Waltham 460.1875 R N837 Ch-02 2019.06.18 N1ZZN
Watertown 470.7125 R 131.8 2021.01.02 W1KNE
Wayland 484.4375 R 131.8 2021.01.01 W1KNE
Westford 483.1250 R 146.2 2021.01.20 W1KNE
Weston 472.2375 R 203.5 2021.01.01 W1KNE
Wilmington 482.3125 R 146.2 2021.01.02 W1KNE
Winchester 471.3625 R 131.8 2021.01.01 W1KNE
Woburn 482.8125 R N933 Primary 2020.01.02 ecps92
Woburn 482.8125 R 146.2 Dual Mode 2017.01.02 MrSvenSven
Woburn 471.7125 R 146.2 Simulcast of dispatcher only, rarely used 2015.12.18 N1BHH
Woburn 471.7125 R N732 Dual Mode 2015.12.18 N1BHH
Woburn 471.6500 R N732 Talk-Around - Dual Mode
Woburn 471.6500 R 146.2 Talk-Around - Dual Mode 2013.04.09 N1BHH