Illinois Scanner Frequencies

Frequency Information for Metro East (St. Louis Missouri) and surrounding areas

Compiled by Anthony W. Haukap


Computer Programmable Scanners:

    To download St. Louis frequency files specifically tailored for the various computer programmable scanning radios (AR8200 MK3, BC780xlt, BC245xlt, BC250d, Icom-R2, PRO-92, PRO-93, PRO-95, etc.) and related programming software packages click here.


More St. Louis Area Frequencies

    For additional St. Louis scanner radio frequencies used by Public Safety, Local & Federal Government Agencies, Businesses, Railroads, and Air Traffic Control see the Main Scanner Frequency Index.



You can find out more about professional and hobby scanning in the following books: (click on the title for additional information)


The Ultimate Scanner 3!
The Ultimate Scanner
by Bill Cheek		 Scanners & Secret Frequencies
Scanners & Secret Frequencies
by Henry L. Eisenson		 Scanner Modifications and Antennas
Scanner Modifications and Antennas
by Jerry Pickard		 ARRL Handbook for Radio Amateurs, 2002
ARRL Handbook for Radio Amateurs, 2002
by Dana George Reed (Editor)

Bug Book: Everything You Ever Wanted to Know About Electronic Eavesdropping ... But Were Afraid to Ask
Bug Book: Everything You Ever Wanted to Know About Electronic Eavesdropping ... But Were Afraid to Ask
by M. L. Shannon		 Radio Monitoring: The How to Guide
Radio Monitoring: The How to Guide
by T. J. Skip Arey		 Serious Surveillance for the Private Investigator
Serious Surveillance for the Private Investigator
by Bob Bruno		 Firehouse Magazine
Firehouse Magazine
12 issues/12 months



Go HomeMetro East (St. Louis Area) FrequenciesGo Top

See also the Main Scanner Frequency Index for additional frequecnies used in the St. Louis area.


Illinois Police Frequencies

Department Chan Frequency Tone Callsign Usage Notes
Output Input
Alton Police F-1 155.1900 159.0300 156.7 WNJE317 Dispatch Sometimes DES encrypted
Alton Police F-2 158.9700 n/a 156.7 KNNU219 Tactical Sometimes DES encrypted
Alton Police F-3 156.0300 n/a   WNJE317 Detectives  
East Alton Police   155.4300 154.7100 192.8 KSC756 Dispatch  
East Alton Police   154.9800 n/a   KNDD717    
Belleville Police   453.9500 458.9500 146.2 KSA477 Dispatch  
Belleville Police   460.0250 465.0250 146.2 KSA477    
Belleville   155.4900     KSA477    
Bunker Hill Police   155.6100   D 351 WPGY220 Dispatch  
Fairview Heights Police   453.7250 458.7250 127.3 WNGV462 Dispatch  
Fairview Heights   155.9550 n/a   KWE359 Public Works  
Fairmount City Police   155.3100 158.9100 123.0
203.5(in)		 KLI254 Dispatch also Cahokia
Fairmount City Police   154.8900 n/a 103.5 KLI254 Tac also Cahokia and Washington Park
O'Fallon Police   460.5000 465.5000 110.9 WNLC298 Dispatch  
O'Fallon Police   453.2250 458.2250 110.9 WNCL299 Alternate  
East St. Louis Police   460.3750 465.3750 156.7 KUQ659 Dispatch  
Edwardsville Police   453.9750 458.9750 203.5 KNHN539 Dispatch  
Edwardsville Police   453.8500 458.8500 203.5 KNHN539 Tactical  
Granite City Police F-1 153.8450 155.8500 100.0 KSA217 Dispatch  
Granite City F-2 155.0700 n/a 100.0 KSA217 Secondary  
Granite City F-3 155.8500 n/a 100.0 KSA217 Car-to-Car  
Granite City F-4 154.1150 n/a 100.0 KNDU336 Dept. Public Works  
Granite City - 159.6000 n/a     Mobile Extenders  
Madison Police   155.0700 n/a   KSA927 Dispatch Also Venice Police
Millstadt Police   155.8350 n/a 141.3 WSL894 Dispatch  
Collinsville Police   460.1000 465.1000 D 026 KSA903 Dispatch  
Collinsville Police   460.2750 465.2750 D 026 KSA903 Tactical  
Columbia Police 1 159.2100 153.7850 110.9 WNZA787 Dispatch  
Columbia Police 2 155.0025 158.9325 203.5 WPMR629 Car-to-Car  
Columbia Police   155.7825 n/a   WPMR629 Tac  
Columbia Police   155.6700 n/a 110.9 KCK781    
Bethalto Police F-1 158.8050 156.0000 179.9 KUN481 Dispatch  
Bethalto Police F-2 158.9250 n/a   KUN481 Car-to-Car  
Caseyville Police   155.4300 n/a 162.2 KLZ995 Dispatch  
Centreville Police   159.1500 n/a 192.8 KSG990 Dispatch  
Centreville Police   158.7600 n/a 192.8 WPLV599    
Dupo Police   155.9250 n/a   KUX517 Dispatch  
Dupo Police   155.4150 n/a 141.3 KBE819    
Glen Carbon Police   460.3500 465.3500 D 023 WNQA348 Dispatch  
Highland Police   453.0500 458.0500 203.5 KEG908 Dispatch  
Jersey County Sheriff   155.8050 158.9550 179.9 KTT873 Dispatch Also Fire Dispatch
Litchfield Police F1 156.1650 n/a   KSD393 Dispatch  
Litchfield Police F2 460.2250 465.2250   KSD393 Tactical  
Pontoon Beach Police   155.7900 n/a   WNJM746 Dispatch also Brooklyin PD
Roxana Police   153.8150 155.9850 225.7 KA91441 Dispatch  
St. Clair County Sheriff F-1 154.7400 158.9700 141.3 WNXK676 Dispatch  
St. Clair County Sheriff F-2 155.4150 n/a 141.3 WNXK676 Rural Units  
St. Clair County Sheriff F-3 155.7600 n/a 100.0 WPRR852 Rural Units  
Sparta Police   155.7750 n/a 192.8 WNVK861 Dispatch  
Swansea Police   460.0750 465.0750   WPCK909 Dispatch  
Troy Police   153.7400 153.9350 203.5 KLU488 Dispatch  
Troy Police   156.1500 n/a 203.5 KLU488 Car-to-Car  
Macoupin County Sheriff - 159.0900 155.9100 D 351 WPFS699 Dispatch  
Macoupin County Sheriff - 153.7550 n/a     Extenders  
Macoupin County Sheriff - 154.7850 159.1050 D 351 WPFS699 Local Government  
Madison County Sheriff F-1/2 155.5950 n/a 100.0 KSB221 Dispatch  
Madison County Sheriff F-3/4 158.8500 154.7700 100.0 KSB221 Tactical  
Madison County Sheriff   155.0400 n/a 100.0 KCX387 Animal Control/Rural units  
Madison County Jail   154.7700 n/a   KSB221 Dispatch  
Montgomery County Sheriff - 151.3250 159.2550 D 351 KNIA485 Dispatch  
Washington Park Police   155.8350 n/a CSQ WSL894 Dispatch  
Wood River Police   155.1150 155.7150 D 143 KDX509 Dispatch also Hartford, Roxana and South Roxana, IL
South Roxana 2 155.8950 n/a   KNEN208 Public Works  
Roxana Police 2 153.8150 155.9850 225.7 KA91441 Public Works  
Conservation Officers   151.2800 n/a 146.2 WNCD442 Illinois State  
CENCOM   155.7600 n/a     Illinois  
ISPERN   155.4750 n/a CSQ   Illinois State Police Emeregency Radio Network
ESMARN   155.0250 n/a none   Emergency Services Mutual Aid Radio Network


St. Clair County Frequencies

Department Chan Frequency Tone Callsign Usage Notes
Output Input
TRS Site #1-866.5625821.5625 -Countywide TRSMotorola ASTRO (APCO-25 Digital)
TRS Site #1-866.8000821.8000 -Countywide TRS 
TRS Site #1-867.1625822.1625 -Countywide TRS 
TRS Site #1-867.1875822.1875 -Countywide TRS 
TRS Site #1-867.5875822.5875 -Countywide TRS 
TRS Site #1-867.7500822.7500 -Countywide TRS 
TRS Site #1-868.6375823.6375 -Countywide TRS 
TRS Site #1-868.7500823.7500 -Countywide TRS 
TRS Site #2-866.0750821.0750 -Countywide TRSMotorola ASTRO (APCO-25 Digital)
TRS Site #2-866.1750821.1750 -Countywide TRS 
TRS Site #2-866.2250821.2250 -Countywide TRS 
TRS Site #2-866.7000821.7000 -Countywide TRS 
TRS Site #2-867.0875822.0875 -Countywide TRS 
TRS Site #2-867.7000822.7000 -Countywide TRS 
TRS Site #2-868.1375823.1375 -Countywide TRS 
TRS Site #2-868.8500823.8500 -Countywide TRS 
Operational Summer 2004

Illinois Fire Frequencies

Department Chan Frequency Tone Callsign Usage Notes
Output Input
Alton Fire   154.3850 159.0600 156.7 KDR424 Dispatch  
Belleville Fire   453.4250 458.4250 146.2 KAY668 Dispatch  
Bethalto Fire   154.1750 n/a 114.8 KRA500 Dispatch  
Bunker Hill Fire   158.2050 159.6300   WNUJ872 Dispatch  
Bunker Hill Ambulance   155.1600 n/a 85.4 WNUJ872 Tac  
Bunker Hill Fire   154.0700 n/a none KAN769 Fireground  
Edwardsville Fire   154.1750 n/a none WPGM753 Dispatch 162.2 tone only on mobile units
Columbia Fire   154.1900 n/a none WPKN391 Dispatch  
Cahokia Fire   154.3400 150.8050 186.2 KSH765 Dispatch  
Collinsville Fire   154.3550 159.7750 91.5 WPII568 Dispatch  
Collinsville Fire   159.9750 n/a none WPII568 Fireground  
East Alton Fire   153.7850 n/a 192.8 WPCM483 Dispatch  
East St. Louis Fire   460.5750 465.5750 D 624 WPCC693 Dispatch  
Fairview Heights Fire   154.4150 n/a 103.5 KSD342 Dispatch Also French Village VFD
Glen Carbon Fire   154.4300 n/a 167.9 KFA467 Dispatch  
Glen Carbon Fire   154.4150 n/a CSQ KFA467 Fireground  
Granite City Fire   151.3400 153.7700 123.0 WNPG778 Dispatch  
Jersey County ETSB/911   156.2175 153.9875 none WNPF660 Dispatch  
Jersey County Ambulance   155.2200 n/a 114.8 WPLZ993 Dispatch  
Litchfield Fire   154.3250 n/a none KCN968 Dispatch  
Woodriver Fire   154.1450 n/a 107.2 WNYJ377 Dispatch  
Macoupin County 911   158.2050 159.6300 D 047 WPYJ341 911 Dispatch  
Macoupin County 911   154.7475 156.0975   WPYJ341 911 Dispatch  
Madison Fire   155.8800 n/a none KNAO451 Dispatch also Venice Fire
Madison County Fire   154.4300 n/a 167.9 WNZI271 911 Dispatch  
Millstadt Fire   155.8350 n/a 110.9 WSL894 Dispatch Also Union Fire
O'Fallon Fire   154.2350 153.7700 103.5 KSC574 Dispatch  
O'Fallon EMS   155.2200 n/a 100.0 WSW791 Dispatch  
Sauget Fire   158.7450 n/a none      
Swansea Fire   153.9800 n/a none WNBJ472 Dispatch  
Swansea Fire   155.0925 159.0525 none WNBJ472 Dispatch  
St. Clair County Fire   154.1900 n/a none WRZ632 Dispatch Fire Net (CENCOM)
State Park Fire   155.1450 n/a 173.8 KNIT599 Dispatch (Caseyville)
Troy Fire   154.2500 n/a 94.8 KFA468 Dispatch  
Troy Ambulance   155.2950 n/a 203.5 WRX855 Dispatch Also Highland and Laughlin
Twin Rivers Search & Rescue   155.2650 n/a none WNJA559 Dispatch  
Illinois Fire Mutual Aid   154.2650 n/a 210.7   IFERN Interagency Fire Emergency Radio Network
Illinois Fire Mutual Aid   154.3025 n/a 67.0   IFERN2 Interagency Fire Emergency Radio Network
Illinois Fire Interoperability   153.8300
154.2800
154.2950
153.8375
154.2725
154.2875		 simplex 69.3
74.4
85.4
91.5
94.8
136.5		   Red Fireground
White Fireground
Blue Fireground
Gold Fireground
Black Fireground
Gray Fireground		 Fireground Operations
Task Force   154.5400 n/a   WNBY974 IAIA Southern Illinois Arson Investigators Association
ARCH Helicopter   461.7250 466.7250 192.8   Sparta Repeater  
ARCH Helicopter   462.0750 467.0750 107.2   Litchfield Repeater Central Illinois
ARCH Helicopter   461.5250 466.5250 192.8   Randolph County Repeater Southern Illinois
Abbott-Lifeforce   462.9500 467.9500 210.7 KMK409 Dispatch Abbott-EMS (IL)
MERCI 280   155.2800 n/a   - EMS to Hospital  
MERCI 340   155.3400 n/a 210.7 - EMS to Hospital  
MERCI 400   155.4000 n/a   - EMS to Hospital  
IREACH   155.0550 n/a CSQ   Illinois Radio Emergency Access Channel
Red Cross   465.0500 460.0500 146.2   American National Red Cross - Illinois


Illinois State Frequencies - District 11 (Collinsville)

Department Chan Frequency Tone Callsign Usage Notes
Output Input
Illinois Highway Patrol LF-1 42.5600 42.7000 136.5 KSB235 Base/Mobile  
Illinois Highway Patrol LF-2 42.5000 n/a   KSB235 Car-To-Car also Weather Warnings
Illinois Highway Patrol LF-3 44.7000 n/a   KSB235    
Illinois Highway Patrol   42.5200 n/a   KGV266    
Illinois Highway Patrol HF-1 155.4750 n/a CSQ KSB235 ISPERN  
Illinois Highway Patrol HF-2 154.6650 n/a 110.9 KSB235 High-Band Ops  
Illinois Highway Patrol HF-3 155.0550 n/a CSQ KA5825 IREACH  
Illinois Highway Patrol HF-4 155.4600 n/a CSQ KSB235 Statewide  
Illinois Highway Patrol HF-5/6 155.5050 n/a 136.5 KA5825 Mobile Extenders  
Illinois Highway Patrol DCI HF-2 154.9050 n/a 110.9 KSB235 Criminal Investagation  
Illinois Highway Patrol DCI HF-3 154.9500 n/a 110.9 KA5825 Car-to-Car  
Illinois Highway Patrol DCI HF-4 154.9200 n/a CSQ KA5825    
Illinois Highway Patrol - 151.2500 n/a CSQ WNIT865 Secretary of State Police (SOS Police)  
Illinois Highway Call Box   72.5400 n/a   WRH48    
Illinois Highway Call Box   72.8600 n/a   WRH48    


Illinois State Police (Starcom 21) Frequencies
Site 501 (Madisonville)

Department Chan Frequency Tone Callsign Usage Notes
Output Input
Starcom21
Site #501 Edwardsville		-855.2125
856.2125
857.2125
858.2125
859.2125
860.2125		810.2125
811.2125
812.2125
813.2125
814.2125
815.2125		 WPTZ798Statewide TRS NetworkMotorola ASTRO (APCO-25 Digital)
Starcom21
Site #? Godfrey		-866.3500
866.6750
867.4000		821.3500
821.6750
822.4000		 -Statewide TRS Network 
Starcom21
Site #? Godfrey		-858.2125813.2125 -Statewide TRS Network 
Starcom21
Site #? Belleville		-866.3375
866.8625
867.3875
867.9125		821.3375
821.8625
822.3875
822.9125		 -Statewide TRS Network 
Starcom21
Site #? St. Louis		-866.8375
867.3625
867.8875
868.9875		821.8375
822.3625
822.8875
823.9875		 -Statewide TRS Network 
Some sites may be operational by fall 2005

Illinois Department of Transportation (IDOT) Frequencies

Department Chan Frequency Tone Callsign Usage Notes
Output Input
IDOT - Dist. 8   47.0200 n/a 110.9 KSI763 Base Collinsville
IDOT - Dist. 8   47.1000 n/a 110.9   Mobile Fairview Heights
IDOT - Dist. 6   47.3800 n/a 110.9   Base Springfield
IDOT - Dist. 6   47.3000 n/a 110.9   Mobile Springfield
IDOT - Dist. 9   47.3800 n/a 123.0   Base Carbondale
IDOT - Dist. 9   47.3000 n/a 123.0   Mobile Carbondale
IDOT   154.2650 n/a     NIFERN Illinois Fire Emergency Radio Network
IDOT   155.4600 n/a     ISP (NF4)  
IDOT   154.2200 n/a     CFD (admin)  


Illinois Skywarn Frequencies

Department Chan Frequency Tone Callsign Usage Notes
Output Input
Skywarn   145.2300       Jersey County  
Skywarn   146.8200       Macoupin County  
Skywarn   145.2300       Madison County Primary
Skywarn   145.1300       Madison County Backup
Skywarn   444.7000       Monroe County  
IWARN   152.2850 88.5     Illinois Weather Alert Radio Network  
RACES Net   147.1200       St. Clair County Primary
RACES Net   145.1100       St. Clair County Secondary
NOAA Weather
(St. Louis Office)		   162.5500 n/a CSQ KDO89 Areas served and FIPS Codes (SAME Codes):
  • 017013 - Calhoun County, IL
  • 017061 - Greene County, IL
  • 017083 - Jersey County, IL
  • 017117 - Macoupin County, IL
  • 017119 - Madison County, IL
  • 017133 - Monroe County, IL
  • 017157 - Randolph County, IL
  • 017163 - St. Clair County, IL


    • Data Frequencies
    MDT (Mobile Data Terminals)

    Department Chan Frequency Tone Callsign Usage Notes
    Output Input
    Illinois ALERTS MDT   857.7375 812.7375        
    Illinois State Police   859.4625 814.4625        
    Ardis Network Nationwide   855.8375 810.8375       Advanced Radio Data Information Service


    Illinois Emergency Interoperability Communications System (IEICS)
    Illinois Emergency Management Agency (EMA)

    Department Chan Frequency Tone Callsign Usage Notes
    Output Input
    V-CALL   155.7525   CSQ   Base/Mobile  
    V-TAC1   151.1375   156.7   Base/Mobile  
    V-TAC2   154.4525   156.7   Base/Mobile  
    V-TAC3   158.7375   156.7   Base/Mobile  
    V-TAC4   159.4725   156.7   Base/Mobile  
    U-CALL   453.2125 458.2125 CSQ      
    U-TAC1   453.4625 458.4625 156.7      
    U-TAC2   453.7125 458.7125 156.7      
    U-TAC3   453.8625 458.8625 156.7      
    Statewide Intersystem   39.4600     KGK474 Low Band (no longer in use)
    Statewide Intersystem   39.8000     KGK474 Low Band (no longer in use)
    Statewide Point-to-Point   39.5000     KSB221 Low Band (no longer in use)
    Statewide EMA   45.2800     KNGV562 Local Operations  
    Statewide EMA   45.3600     KNGV562 Local Operations  
    Statewide EMA   45.4000     KNGV562 Local Operations  
    Statewide EMA   45.4400     KNGV562 Local Operations  
    Statewide EMA   453.8750 458.8750 103.5 KYG726 Repeater Operations