Black Hawk County (IA)

Numbering System

Law Enforcement	Fire & EMS
1st Number - Department	1st Number - Department
1 - Dunkerton PD	0 - Covenant Ambulance
2 - Evansdale PD	1 - Dunkerton FD & EMS
3 - Waterloo PD	2 - Evansdale FD & EMS
4 - Gilbertville PD	3 - Waterloo FD & EMS
5 - Cedar Falls PD	4 - Gilbertville FD & EMS
6 - Hudson PD	5 - Cedar Falls FD & EMS
7 - Black Hawk County SO	6 - Hudson FD & EMS
8 - La Porte City PD	8 - La Porte FD & EMS
9 - Tri County Drug Task Force	9 - Raymond FD & EMS
Middle Letter - Type of Unit (also phonetic alphabet)	Last Two Numbers
Adam - Administration	01-10 Engines
Boy - Bike Patrol Unit	11-19 Aerial and Ladder Trucks
Charlie - Command Unit	20-29 Administration / Cars
David - Detective	30-39 Medics / Ambulances
Edward - Eastside Patrol Unit	40-49 Rescue Truck (extrication)
Frank - Foot Patrol Unit	50-59 Tanker Trucks
George - General Area Unit (roaming)	60-69 Brush Fire Fighting Trucks
Henry - Horse Patrol	70-79 Rescue Boats
Ida - ID Unit / Crime Scene Investigative Unit	80-89 Hazmat
John - Judicial / Courthouse Security	90-99 Open
King - Supervisor	Exception: 300 is the Waterloo Battalion Chief
Lincoln - School Liaison Officer
Mary - Motorcycle Unit / Traffic Unit
Nora - North Area Patrol Unit
Ocean - Downtown Patrol
Paul - Civil Deputy
Queen - PD Chaplain
Robert - Reserve Officer Unit
Sam - South Area Patrol Unit
Tom - Traffic Investigator or Jail Unit / Transport
Union - Animal Control
Victor - Community Policing Unit
William - Westside Patrol Unit
X-ray - Tactical Unit
Young - Directed Patrol
Zebra - Off Duty Unit
Third Number is unit number

Ten-Code

Ten Code by the Association of Public Communications Officers (APCO)
NOTE: Yellow Highlight = Used In Black Hawk County
10-0 Caution	10-1 Unable to copy	10-2 Signal good	10-3 Stop transmitting
10-4 Acknowledgement (OK)	10-5 Relay	10-6 Busy	10-7 Out of service
10-8 In service	10-9 Repeat	10-10 Fight in progress	10-11 Dog case
10-12 Stand by	10-13 Weather	10-14 Prowler report	10-15 Civil disturbance
10-16 Domestic disturbance	10-17 Meet	10-18 Quickly	10-19 Return to ...
10-20 Location	10-21 Call by telephone	10-22 Disregard	10-23 Arrived at scene
10-24 Assignment completed	10-25 Report in person (meet)	10-26 Detaining subject	10-27 Drivers license information
10-28 Vehicle registration information	10-29 Check for wanted	10-30 Unnecessary use of radio	10-31 Crime in progress
10-32 Man with gun	10-33 Emergency	10-34 Riot	10-35 Major crime alert
10-36 Correct time	10-37 Suspicious vehicle	10-38 Stopping suspicious vehicle	10-39 Urgent
10-40 Silent run	10-41 Beginning tour of duty	10-42 Ending tour of duty	10-43 Information
10-44 Permission to leave	10-45 Animal carcass at	10-46 Assist motorist	10-47 Emergency road repairs
10-48 Traffic standard repair at	10-49 Traffic light out at	10-50 Accident (fatal, personal injury, property damage)	10-51 Wrecker needed
10-52 Ambulance needed	10-53 Road blocked at	10-54 Livestock on highway	10-55 Intoxicated driver
10-56 Intoxicated pedestrian	10-57 Hit and run (fatal, personal injury, property damage)	10-58 Direct traffic	10-59 Convoy or escort
10-60 Squad in vicinity	10-61 Isolate self for message	10-62 Reply to message	10-63 Prepare to make written copy
10-64 Message for local delivery	10-65 Net message assignment	10-66 Message cancellation	10-67 Clear for net message
10-68 Dispatch information	10-69 Message received	10-70 Fire	10-71 Advise nature of fire
10-72 Report progress on fire	10-73 Smoke report	10-74 Negative	10-75 In contact with
10-76 En route	10-77 ETA (estimated time of arrival)	10-78 Need assistance	10-79 Notify coroner
10-80 Chase in progress	10-81 Breathalyzer	10-82 Reserve lodging	10-83 Work school crossing at
10-84 If meeting ... advise ETA	10-85 Delayed due to	10-86 Officer/operator on duty	10-87 Pick up/distribute checks
10-88 Present telephone number of ...	10-89 Bomb threat	10-90 Bank alarm at ...	10-91 Pick up prisoner/subject
10-92 Improperly parked vehicle	10-93 Blockade	10-94 Drag racing	10-95 Prisoner/subject in custody
10-96 Mental subject	10-97 Check (test) signal	10-98 Prison/jail break	10-99 Wanted/stolen indicated