Scanner codes...you mean frequencies. They are all free as they are a matter of public record.
I did a google search for "douglas county, kansas" police frequency
and got: www.radioreference.com
Douglas County
Douglas, County of
Frequency License Type Tone Alpha Tag Description Mode Tag
851.51250 WQES438 RM 306 DPL DouglasCoSO1 Douglas County Sheriff Dispatch -- Lecompton Repeater (northwest) -- Link to KU/Douglas County Trunked System (TG 19216) FM Law Dispatch
852.33750 KNNJ871 RM 754 DPL DougasCoSO1 Douglas County Sheriff Dispatch -- Kanwaka Repeater (US-40 west) -- Link to KU/Douglas County Trunked System (TG 19216) FM Law Dispatch
853.05000 KNNJ871 RM 565 DPL DougasCoSO1 Douglas County Sheriff Dispatch -- Baldwin City Repeater (south) -- Link to KU/Douglas County Trunked System (TG 19216) FM Law Dispatch
852.01250 WQES438 RM 506 DPL DouglasCoSO2 Douglas County Sheriff TAC 2-- Lecompton Repeater (northwest) -- Link to KU/Douglas County Trunked System (TG 19248) FM Law Tac
852.03750 WPUD276 RM 244 DPL DouglasCoSO2 Douglas County Sheriff TAC 2 -- Baldwin City Repeater (south) -- Link to KU/Douglas County Trunked System (TG 19248) FM Law Tac
853.03750 WPUD276 RM 047 DPL DouglasCoSO3 Douglas County Sheriff G-Com 3 Information -- Baldwin City Repeater (south) -- Link to KU/Douglas County Trunked System (TG 80) FM Interop
854.93750 WNUT774 RM DouglsCoDrug Douglas County Drug Investigation Squad (DES encrypted) FM Law Tac
155.80500 KQL884 RM 107.2 PL DouglsCoFire Douglas County Rural Fire -- Dispatch (EOC 1) FM Fire Dispatch
155.20500 WPWY741 RM 94.8 PL DuglsCoFD SE Douglas County Rural Fire -- Southeast (EOC 3) FM Fire-Tac
156.18000 WQFI804 118R 118.8 PL DuglsCoFD NW Douglas County Rural Fire -- Northwest (EOC 5 FM Fire-Tac
155.76000 WNCQ875 RM 107.2 PL DouglasCo EM Douglas County Emergency Management -- Storm Spotters and SIren Activation (EOC Ops) FM Emergency Ops
155.16000 KNDH512 BM 107.2 PL DouglasCoWx Douglas County Emergency Radio Service -- Severe Weather Spotters FM Emergency Ops
866.15000 WPHB587 RM 172 DPL DouglasCoEMS Ambulance to Lawrence Memorial Hospital FM EMS-Tac
37.98000 KAP353 BM DouglsCoRoad Douglas County Highway Maintenance FM Public Works
851.76250 WPTE428 RM DouglsCoMDTs Douglas County Sheriff and Lawrence Police Mobile Data Terminals Telm Data
Lawrence, City of
Frequency License Type Tone Alpha Tag Description Mode Tag
154.40000 KVP518 RM 156.7 PL Lawrence FD1 Lawrence / Douglas County Fire / EMS -- Dispatch (Fire 1) FM Fire Dispatch
158.79000 KJK675 RM 156.7 PL Lawrence FD3 Lawrence / Douglas County Fire / EMS -- Fireground (Fire 3) FM Fire-Tac
155.22000 KWH559 BM 167.9 PL Lawrence FD5 Lawrence / Douglas County Fire / EMS -- KU Event Medical Standby / Training (Fire 5) FM Fire-Tac
155.29500 WPWY741 RM 186.2 PL LawrnceFD SE Lawrence / Douglas County Fire / EMS -- Southeast (Fire 6) FM Fire-Tac
154.28000 BM CSQ StateFireNet Lawrence / Douglas County Fire / EMS -- State Fire Mutual Aid (Fire 8) FM Interop
155.59500 WQFI804 RM 136.5 PL LawrnceFD NW Lawrence / Douglas County Fire / EMS -- Northwest (Fire 9) FM Fire-Tac
154.04000 KAP322 BM Lawrence P/W Lawrence City Services FM Public Works
Eudora, City of
Frequency License Type Tone Alpha Tag Description Mode Tag
154.35500 KNBT427 BM Eudora Fire Eudora Fire Dispatch FM Fire Dispatch
154.23500 KD40622 M EudoraFireGd Eudora Fireground FM Fire-Tac
Kanwaka, Township of
Frequency License Type Tone Alpha Tag Description Mode Tag
154.81500 WPLD299 RM 107.2 PL Kanwaka Fire Kanwaka Fire FM Fire Dispatch
Wakarusa, Township of
Frequency License Type Tone Alpha Tag Description Mode Tag
154.16000 KAX571 BM Wakarusa FD Wakarusa Township Fire FM Fire-Tac
University of Kansas
Frequency License Type Tone Alpha Tag Description Mode Tag
867.67500 KNNV863 RM 466 DPL KU Police800 University of Kansas Police -- 800MHz Conventional FM Law Tac
460.27500 KTH420 RM 141.3 PL KU PoliceUHF University of Kansas Police -- UHF FM Law Tac
453.10000 KNBN573 RM 162.2 PL KU Parking Univrsity of Kansas Parking Services FM Schools
463.57500 KNNJ928 RM 606 DPL KU Buses University of Kansas Buses FM Transportation
155.04000 KCQ315 RM 107.2 PL KU Facilties University of Kansas Facilities and Operations FM Schools
453.61250 WQJA958 BM KU LiedCentr Lied Center of Kansas FM Schools
151.62500 WNVP817 BM KU Hoch Aud University of Kansas Hoch Auditorium FM Schools
154.51500 KNHC993 BM KU Athletics University of Kansas Athletics Department FM Schools
154.54000 KUP615 BM KU Housing Univeristy of Kansas Housing FM Schools
Haskell Indian Nations University
Frequency License Type Tone Alpha Tag Description Mode Tag
162.02500 BM 223 DPL HaskelUSecur Haskell Indian Nations University Security FM Schools
168.32500 RM 293 NAC Haskell Univ Haskell Indian Nations University Maintenance P25 Schools
All Trunked Radio Systems in Douglas County
System Name Type City
Kansas Statewide Interoperable Communication System (KSICS) Project 25 Phase I (FDMA) Statewide
Lawrence City Services MPT-1327 Standard Lawrence
Topeka FM Communications LTR Standard Lawrence
University of Kansas / Lawrence / Douglas County Motorola Type II Smartnet Lawrence
Westar Energy - 900 MHz (KS/MO) Motorola Type II SmartZone Various
I did a google search for "douglas county, kansas" police frequency
and got: www.radioreference.com
Douglas County
Douglas, County of
Frequency License Type Tone Alpha Tag Description Mode Tag
851.51250 WQES438 RM 306 DPL DouglasCoSO1 Douglas County Sheriff Dispatch -- Lecompton Repeater (northwest) -- Link to KU/Douglas County Trunked System (TG 19216) FM Law Dispatch
852.33750 KNNJ871 RM 754 DPL DougasCoSO1 Douglas County Sheriff Dispatch -- Kanwaka Repeater (US-40 west) -- Link to KU/Douglas County Trunked System (TG 19216) FM Law Dispatch
853.05000 KNNJ871 RM 565 DPL DougasCoSO1 Douglas County Sheriff Dispatch -- Baldwin City Repeater (south) -- Link to KU/Douglas County Trunked System (TG 19216) FM Law Dispatch
852.01250 WQES438 RM 506 DPL DouglasCoSO2 Douglas County Sheriff TAC 2-- Lecompton Repeater (northwest) -- Link to KU/Douglas County Trunked System (TG 19248) FM Law Tac
852.03750 WPUD276 RM 244 DPL DouglasCoSO2 Douglas County Sheriff TAC 2 -- Baldwin City Repeater (south) -- Link to KU/Douglas County Trunked System (TG 19248) FM Law Tac
853.03750 WPUD276 RM 047 DPL DouglasCoSO3 Douglas County Sheriff G-Com 3 Information -- Baldwin City Repeater (south) -- Link to KU/Douglas County Trunked System (TG 80) FM Interop
854.93750 WNUT774 RM DouglsCoDrug Douglas County Drug Investigation Squad (DES encrypted) FM Law Tac
155.80500 KQL884 RM 107.2 PL DouglsCoFire Douglas County Rural Fire -- Dispatch (EOC 1) FM Fire Dispatch
155.20500 WPWY741 RM 94.8 PL DuglsCoFD SE Douglas County Rural Fire -- Southeast (EOC 3) FM Fire-Tac
156.18000 WQFI804 118R 118.8 PL DuglsCoFD NW Douglas County Rural Fire -- Northwest (EOC 5 FM Fire-Tac
155.76000 WNCQ875 RM 107.2 PL DouglasCo EM Douglas County Emergency Management -- Storm Spotters and SIren Activation (EOC Ops) FM Emergency Ops
155.16000 KNDH512 BM 107.2 PL DouglasCoWx Douglas County Emergency Radio Service -- Severe Weather Spotters FM Emergency Ops
866.15000 WPHB587 RM 172 DPL DouglasCoEMS Ambulance to Lawrence Memorial Hospital FM EMS-Tac
37.98000 KAP353 BM DouglsCoRoad Douglas County Highway Maintenance FM Public Works
851.76250 WPTE428 RM DouglsCoMDTs Douglas County Sheriff and Lawrence Police Mobile Data Terminals Telm Data
Lawrence, City of
Frequency License Type Tone Alpha Tag Description Mode Tag
154.40000 KVP518 RM 156.7 PL Lawrence FD1 Lawrence / Douglas County Fire / EMS -- Dispatch (Fire 1) FM Fire Dispatch
158.79000 KJK675 RM 156.7 PL Lawrence FD3 Lawrence / Douglas County Fire / EMS -- Fireground (Fire 3) FM Fire-Tac
155.22000 KWH559 BM 167.9 PL Lawrence FD5 Lawrence / Douglas County Fire / EMS -- KU Event Medical Standby / Training (Fire 5) FM Fire-Tac
155.29500 WPWY741 RM 186.2 PL LawrnceFD SE Lawrence / Douglas County Fire / EMS -- Southeast (Fire 6) FM Fire-Tac
154.28000 BM CSQ StateFireNet Lawrence / Douglas County Fire / EMS -- State Fire Mutual Aid (Fire 8) FM Interop
155.59500 WQFI804 RM 136.5 PL LawrnceFD NW Lawrence / Douglas County Fire / EMS -- Northwest (Fire 9) FM Fire-Tac
154.04000 KAP322 BM Lawrence P/W Lawrence City Services FM Public Works
Eudora, City of
Frequency License Type Tone Alpha Tag Description Mode Tag
154.35500 KNBT427 BM Eudora Fire Eudora Fire Dispatch FM Fire Dispatch
154.23500 KD40622 M EudoraFireGd Eudora Fireground FM Fire-Tac
Kanwaka, Township of
Frequency License Type Tone Alpha Tag Description Mode Tag
154.81500 WPLD299 RM 107.2 PL Kanwaka Fire Kanwaka Fire FM Fire Dispatch
Wakarusa, Township of
Frequency License Type Tone Alpha Tag Description Mode Tag
154.16000 KAX571 BM Wakarusa FD Wakarusa Township Fire FM Fire-Tac
University of Kansas
Frequency License Type Tone Alpha Tag Description Mode Tag
867.67500 KNNV863 RM 466 DPL KU Police800 University of Kansas Police -- 800MHz Conventional FM Law Tac
460.27500 KTH420 RM 141.3 PL KU PoliceUHF University of Kansas Police -- UHF FM Law Tac
453.10000 KNBN573 RM 162.2 PL KU Parking Univrsity of Kansas Parking Services FM Schools
463.57500 KNNJ928 RM 606 DPL KU Buses University of Kansas Buses FM Transportation
155.04000 KCQ315 RM 107.2 PL KU Facilties University of Kansas Facilities and Operations FM Schools
453.61250 WQJA958 BM KU LiedCentr Lied Center of Kansas FM Schools
151.62500 WNVP817 BM KU Hoch Aud University of Kansas Hoch Auditorium FM Schools
154.51500 KNHC993 BM KU Athletics University of Kansas Athletics Department FM Schools
154.54000 KUP615 BM KU Housing Univeristy of Kansas Housing FM Schools
Haskell Indian Nations University
Frequency License Type Tone Alpha Tag Description Mode Tag
162.02500 BM 223 DPL HaskelUSecur Haskell Indian Nations University Security FM Schools
168.32500 RM 293 NAC Haskell Univ Haskell Indian Nations University Maintenance P25 Schools
All Trunked Radio Systems in Douglas County
System Name Type City
Kansas Statewide Interoperable Communication System (KSICS) Project 25 Phase I (FDMA) Statewide
Lawrence City Services MPT-1327 Standard Lawrence
Topeka FM Communications LTR Standard Lawrence
University of Kansas / Lawrence / Douglas County Motorola Type II Smartnet Lawrence
Westar Energy - 900 MHz (KS/MO) Motorola Type II SmartZone Various