Illinois State Police District 11 - Collinsville
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ISP D11 serving Alton, Edwardsville, Granite City, E St Louis, Fairview Heights, Belleville, Columbia, Waterloo, Greenville. I-55/I-64/I-70/I-255/I-270

STARCOM21 (multiple sites of the Digital P25 System on RadioReference)

Broadcasting from Glen Carbon, IL.  Any comments/questions/suggestions, please email 

This feed shows you ALPHA TAGS with Radio Frequency, Talkgroup and RIDs (Radio Identification on Starcom21)

llinois State Police District 11 - Collinsville Talkgroups:

17000 D11 Dispatch A
17001 D11 Dispatch B
17002 D11 Dispatch C
‚Äč17017 D11 Detail A (Special Events)
17018 D11 Detail B (Special Events)
17031 D11 I-REACH Patch (with 155.055)
17037 D11 ISPERN Patch (with 155.475)
17043 D11 Local Patch

Mutual Aid Talkgroups:

30325 Region 8A - Southwest
30326 Region 8B - Southwest
17068 Special Event - Zone 3 Ch. A
17069 Special Event - Zone 3 Ch. B
7323  Madison County 911 PSAP-to-PSAP
7302  Madison County Calling channel
7006  St Clair County Calling channel 

Conventional Frequencies Monitored:

155.475  ISPERN
155.055  I-REACH
154.665  Old VHF Dispatch/Special Alerts
155.460  HF-4 (Back-up to Starcom21)
460.525  ARCH Helicopter St Louis Base (AirCom dispatch)
158.400  Air-Evac Greenville IL
938.975  MedStar EMS

Illinois State Police, District 11, dispatched by 'Collinsville' serves Madison, St Clair, Bond, Clinton and Monroe Counties.
This includes the cities of Alton, Edwardsville, Collinsville, Granite City, East St Louis, Fairview Heights, Belleville, Columbia, Waterloo, Greenville, Carlyle and Breese.  Interstates with-in the area are I-55, I-70, I-64, I-270 and I-255.