Maryland Police Radio Codes

Contents

Maryland State Police Codes

CodeMeaning
10-0Caution
10-1Unable to copy - change loc
10-3Stop transmitting
10-4Acknowledgement (OK)
10-5Relay
10-6Busy, unless urgent
10-7Out of service
10-8In service
10-9Repeat
10-10Fight in progress
10-11Dog case
10-12Stand-by (stop)
10-13Weather … road report
10-14Prowler report
10-15Civil disturbance
10-16Domestic problem
10-17Meet complainant
10-18Quickly
10-19Return to …
10-20Location
10-21Call … by telephone
10-22Disregard
10-23Arrived at scene
10-24Assignment completed
10-25Report in person (meet)
10-26Detaining subject, expedite
10-27Driver's license information
10-28Vehicle registration info
10-29Check for wanted
10-30Unnecessary use of radio
10-31Crime in progress
10-32Man with gun
10-33EMERGENCY
10-34Riot
10-35Major crime alert
10-36Correct time
10-37Investigate susp. vehicle
10-38Stopping suspicious vehicle
10-39Urgent - use light & siren
10-40Silent run - no light/siren
10-41Beginning tour of duty
10-42Ending tour of duty
10-43Information
10-44Permission to leave … for
10-45Animal carcass at
10-46Assist motorist
10-47Emergency road repair at …
10-48Traffic standard repair at
10-49Traffic light out at …
10-50Accident (F, PI, PD)
10-51Wrecker needed
10-52Ambulance needed
10-53Road blocked at …
10-54Livestock on highway
10-55Intoxicated driver
10-56Intoxicated pedestrian
10-57Hit & Run (F, PI, PD)
10-58Direct traffic
10-59Convoy or escort
10-60Squad in vicinity
10-61Personnel in area
10-62Reply to message
10-63Prepare to make written copy
10-64Message for local delivery
10-65Net message assignment
10-66Message cancellation
10-67Clear for net message
10-68Dispatch information
10-69Message received
10-70Fire alarm
10-71Advise nature of fire
10-72Report progress on fire
10-73Smoke report
10-74Negative
10-75In contact with …
10-76Enroute
10-77ETA
10-78Need assistance
10-79Notify coroner
10-80Chase in progress
10-81Breath test
10-82Reserve lodging
10-83Work school crossing at …
10-84If meeting … advise ETA
10-85Delayed due to
10-86Officer/operator on duty
10-87Pick up/distribute checks
10-88Present telephone # of …
10-89Bomb threat
10-90Bank alarm at …
10-91Pick up prisoner/subject
10-92Improperly parked vehicle
10-93Blockade
10-94Drag racing
10-95Prisoner/subject in custody
10-96Mental subject
10-97Check (test) signal
10-98Prison/jail break
10-99Wanted/stolen indicated

Ann Arundel County Police Codes

CodeMeaning
10-0Caution
10-1Unable Copy-Change Location
10-2Signal Good
10-3Stop Transmitting
10-4Acknowledgment (ok)
10-5Relay
10-6Busy … Unless Urgent
10-7Out of Service
10-8In Service
10-9Repeat
10-10Fight In Progress
10-11Dog Case
10-12Stand By (stop)
10-13Weather … Road Report
10-14Prowler Report
10-15Civil Disturbance
10-16Domestic Problem
10-17Meet Complainant
10-18Quickly
10-19Return To …
10-20Location
10-21Call … By Telephone
10-22Disregard
10-23Arrived At Scene
10-24Assignment Completed
10-25Report In Person (meet)
10-26Detaining Subject, Expedite
10-27Drivers license Information
10-28Vehicle Registration Info
10-29Check for Wanted
10-30Unnecessary Use of Radio
10-31Crime In Progress
10-32Man With Gun
10-33EMERGENCY
10-34Riot
10-35Major Crime Alert
10-36Correct Time
10-37Investigate Suspicious Car
10-38Stopping Suspicious Car
10-39Urgent … Use Lights/Siren
10-40Silent Run … No Lights/Siren
10-41Beginning Tour of Duty
10-42Ending Tour of Duty
10-45Animal Carcass At …
10-46Assist Motorist
10-47Emergency Road Repair At …
10-48Traffic Standard Repair
10-49Traffic Light Out At …
10-50Accident (F,PI,PD)
10-51Wrecker Needed
10-52Ambulance Needed
10-53Road Blocked At …
10-54Livestock On Highway
10-55Intoxicated Driver
10-56Intoxicated Pedestrian
10-57Hit & Run (F,PI,PD)
10-58Direct Traffic
10-59Convoy or Escort
10-60Squad In Vicinity
10-61Personnel In Area
10-62Reply To Message
10-63Prepare Make Written Copy
10-64Message for Local Delivery
10-65Not Message Assignment
10-66Message Cancellation
10-67Clear for Net Message
10-68Dispatch Information
10-69Message Received
10-70Fire Alarm
10-71Advise Nature of Fire
10-72Report Progress of Fire
10-73Smoke Report
10-74Negative
10-75In Contact With …
10-76En Route
10-77ETA (estimated time arrival)
10-78Need Assistance
10-79Notify Coroner
10-80Chase In Progress
10-81Breatherlizer Report
10-82Reserve Lodging
10-83Work School Xing At …
10-84If Meeting … - Advise E
10-85Delayed Due To …
10-86Officer/Operator On Duty
10-87Pickup/Distribute Checks
10-88Present Telephone # Of
10-89Bomb Threat
10-90Bank Alarm At …
10-91Pick Up Prisoner/Subject
10-92Inproperly Parked Vehicle
10-93Blockade
10-94Drag Racing
10-95Prisoner/Subject In Custody
10-96Mental Subject
10-97Check (test) Signal
10-98Prison/Jail Break
10-99Wanted/Stolen Indicated

Baltimore County Fire Department Codes

CodeMeaning
1Nothing Showing
2Smoke Showing
3Working Fire
4Possible Additional Companies Needed
5Standard Operation (no lights/siren)
6Pre Fire Plan
10Civil Disturbance
30False Alarm

Baltimore County Police "Situation Found" Codes

Accidents

CodeMeaning
C1Auto Accident-Property Damage
C2Auto Accident-Personal Injury
C3Auto Accident-Fatal
C4Auto Accident-Departmental
C5Auto Accident-Departmental P.I
C6Auto Accident-Departmental Fatal
C7Hit & Run Accident-Property
C8Hit & Run Accident-Personal
C9Hit & Run Accident-Fatal
C10Construction Accident
C11Farm Accident
C12Industrial Accident
C13Residential Accident
C14Rescues, All Types
C15Accidental Stabbing/Shooting
C18Train Derailment or Accident
C19Subway Derailment or Accident

Assist

CodeMeaning
E1Assist Motorist
E2Attempt To Locate
E3Assistance Request
E4Check On Subject
E5Check On Location
E6Slim-Jim Detail
E7Civil Matter

Domestic

CodeMeaning
B2Child Abduction/Stealing
B3Child Abuse
B4Child Neglect
B5Custody Despute
B6Domestic
B7Juvenile Complaint
B9Minors In Possession
B10Missing Adult
B11Missing Child
B12Missing Adult Returned
B13Missing Child Returned
B14Domestic-Spousal Assault

Investigative

CodeMeaning
A1Accidental Death
A2Alarm, Accidental
A3Alarm, Weather Malfunction
A4Alarm, Faulty
A5Alarm, Misuse
A6Anonymous Calls, Telephone
A7Arson
A8Bomb Threat
A9Bombing
A11Destruction of Property
A12Disturbance
A13Escapes & AWOLS
A14Fires, Suspicious
A15Fires, Other
A16Gambling & Booking
A17Gambling Numbers & Lotto
A18Gambling Other
A19Prostitution
A20Hunters
A21Discharging Firearms
A23Liquor Law Violation
A24Liquor, Open Container
A25Loitering Complaint
A26Malicious Burning
A27Mental Subject
A28Emergency Commitment
A29Narcotics
A30Neighbor Complaint
A31Open Door or Window
A32Possession of A Deadly Weapon
A33Road Defects/Hazardous
A34Sudden Death
A35Suicide
A36Suicide, Attempt
A37Suspicious Suspect
A38Tampering With Food
A39Trespassing
A40Unknown Trouble
A41Field Interview
A42Expired Patient
A43Toxic Waste Spilt
A44Overdose
A45Home Improvement Violation
A49Alarm, Civil Citation

Miscellaneous

CodeMeaning
F1Burning Complaints
F3Notify
F4Customer Dispute
F5Detention of O.J
F6False Report
F7Found Property
F8Lost/Stolen Property
F9Noise Complaint
F10Health/Trash Complaint
F11Warrants/Summons Service
F12Non-Enumerated Complaint
F13Traffic Stops
F14All Animal Bite Case
F16Duplicate Call
F17County Code Violation-Other
F18Added Information

Racial Religous Ethnic (rre)

CodeMeaning
K1Assault/Battery
K2Cemetery Desecration
K3Cross/Religous Symbol Burning
K4Destruction of Property
K5Harassment
K6Telephone Misuse
K7Non-Criminal Related Incident
K8Other Criminal RRE Incidents

Sexual Related

CodeMeaning
G1Indecent Exposure
G2Rape
G3All Other Sex Offenses
G4Rape Attempt

Status Codes

CodeMeaning
0No Accident Report; M.V.A. Forms
1Report
2Report: Unfounded
3Report: Handled By Other Agencies
4Report: Incident Unverified
5No Report; Unfounded
6No Report; Handled By Other Agencies Issued Other
7No Report; Incident Unverified
8No Report; Incident Adjusted
9No Accident Report; M.V.A. Forms Issued Occurred On Public Propert

Theft

CodeMeaning
H1Altered Money/Counterfeiting
H2Burglary/B & E Attempt
H3Burglary/Breaking & Entering
H4Credit Card Misuse
H5Bad Checks
H6Failure To Return Rental Property
H7Failure To Pay
H8Forgery
H9Theft-Motor Vehicle
H10Theft-Bike
H11Theft-Other
H12Theft-From Motor Vehicle
H13Theft-Purse Snatching
H14Theft-Shoplifting
H15Unauthorized Use
H16Theft-Boat
H17Theft-From Boat
H18Recovered Motor Vehicles
H19Recovered Bikes
H20Recovered Property

Traffic

CodeMeaning
D1Abandoned Vehicle
D2Parking Complaint
D3Suspicious Vehicle
D4Stored Vehicle
D5Tampering W/Motor Vehicle
D6Traffic Arrest-D.W.I
D7Traffic Arrest-Other
D8Traffic Complaint-D.W.I
D9Vehicle Pursuit
D10Boating Complaint
D11Boating Accident
D12Vessels In Distress, Including Grounding
D13Traffic Complaint-Other

Violence

CodeMeaning
J1Robbery-Armed
J2Robbery-Unarmed
J3Robbery-Attempted
J4Battery
J5Aggravated Assault
J6Homicide
J7Simple Assault(not spousal)

Baltimore County Police Codes

CodeMeaning
10-1Transmission Check
10-2Signals Good
10-3Signals Poor
10-4Acknowledgement
10-5Failed To Acknowledge
10-6Stand-By, Busy, Unless Urgent
10-7Out of Service-Give 10-20
10-8In Service
10-9Repeat
10-11Meet … At …
10-12Not Available
10-14Wagon Run
10-15Urgent Wagon Run
10-16Back Up Unit …
10-17Call Whatever You Are Assigned To
10-18Go Into Whatever You Are Assigned To
10-19Return To …
10-20Location
10-21Call … (somewhere other than 10-17)
10-22Disregard
10-23Arrived At Scene
10-25Stopping Suspicious Vehicle Give 10-20, License Number Etc
10-26Request To Change To City Wide Frequency
10-27Driver's License Information
10-28Vehicle Registration Information
10-29Check Records for Wanted
10-30Person or Vehicle Is Wanted, Use Caution
10-31Crime In Progress
10-32Sufficient Units On The Scene, Return To Posts
10-33Emergency
10-34Major Civil Disturbance In Progress
10-35Major Crime Alert
10-36Stand By Copy Description
10-37Requesting A Tow Truck
10-38Requesting An Ambulance (responding advise)
10-39Disable Departmental Vehicle, Give 10-20 and Vehicle Number
10-40Request Crime Laboratory
10-41Request Impound Truck
10-42Request Animal Shelter
10-43Malfunctioning Traffic Signals A … Signal Completely Out B … Red Signal Out C … Signal Sticking D … Stop Sign or Yield Sign Down or Missing
10-44Request Permission To Patrol On Foot, Try Up, Lunch
10-45Permission Denied
10-46Permission Granted
10-47Negative
10-48Positive
10-49Hourly Call … Give 10-20
KgaReplaces Headquarters or Radio
Signal13 … ASSIST AN OFFICER … Preceded By An Alert Tone

Department of Transportation Codes

Signals

CodeMeaning
1Call Office By Phone
2Call Office Immediately
3Report To Office
9Auto Accident
10Accident With Injuries
14Radar Set-Up

Ten Codes

CodeMeaning
10-3Emergency
10-10Out of Service
10-11Officials Present
10-27Reply To Message
10-37Name of Operator
10-40Available for Phone
10-58Requesting Message
10-59Negative
10-60Light Bulb Defective
10-61Signal Damaged
10-62Light Cycle Incorrect
10-63Signal On Flash
10-64Accident With Signal
10-65Repeat Message
10-66Request Police for Traffic
10-67Signal Repaired
10-68No Trouble Found
10-69Name of Complainant
10-78Pothole In Road
10-79Dead Animal In Roadway
10-88Advise My Home of ETA
10-89… Is Calling You

Howard County Sheriff's Codes

CodeMeaning
1Homicide
2Rape
3Robbery
4Assault
5Breaking & Entering
6Larceny
7Auto Theft
9Arson
10Forgery
11Fraud
12Embezzlement
13Stolen Property
14Vandalism
15Weapons Violation
17Sex Offenses
18Narcotics
19Gambling/Vice
20Domestic Trouble
21Liquor Violations
23Intoxication
24Disorderly Conduct
29Runaway/Missing Person

Montgomery County Police Codes

CodeMeaning
10-1Receiving Poorly
10-2Receiving Well
10-3No Transmitting Except Emergencies
10-4Acknowledgement (message received) Two Man Unit
10-5On The Scene
10-6Busy
10-7Out of Service At (location) Code …
10-8In Service
10-9Repeat Last Message
10-10Out of Service, But Available for Call At (location)
10-11You Are Dispatching Too Rapidly
10-12Advise Weather & Road Conditions
10-13Request Wrecker for Passenger Vehicle At (location)
10-15Transportation Prisoner In Custody Code …
10-16Wish Too meal Unit … of (location)
10-19Request Shift Commander At (location)
10-20What Is Your Location
10-21Request Field Supervisor At (location)
10-22Cancel or Disregard Last Message
10-23Check for Valid License
10-24Contact Your Desk Clerk, Your Convenience
10-25Do You Have Contact With …
10-26Report To Your Station
10-27Advise A Phone Number of …
10-28Registration Check (listing)
10-29Check for Wanted/Stolen
10-30Does Not Confirm To Regulations
10-31Do You Have Any Calls for Me?
10-32I Have Nothing for You
10-50Officer In Trouble, Needs Immediate Help
10-51Request Assistance At (location) (no emergency)
10-60Return On Wanted/Stolen Check. Wanted/Stolen In Indicated
10-70Units Stay Clear of (location) Survellance Underway
10-97How Is My Reception
10-99Message Acknowledged, One man Unit
10-100Riot or Large Disturbance In Progress At (location) Request Assistance

National Capital Park Police Codes

Event Clearance Codes

CodeMeaning
Dash fiveEvent ont verified, no report
Dash fourEvent verified, report written, arrest made
Dash oneEvent verified/adjusted, no report. A brief descripton/remarks must be given. (This includes GOA if the complainant was contacted, verbal warnings, sent on way, etc.)
Dash sevenEvent turned over to other agency, no report
Dash sixEvent unfounded, no report
Dash threeEvent verified, no report, arrest made or citation issued
Dash twoEvent verified, report written, no arrest

Status Codes

CodeMeaning
11Traffic court - in county
12Non-traffic court - in county
16Park check at (location)*Indicate if directed patrol, permit, pond or trail check
19Serving summons
21Traffic warrant service
22Assisting another unit
23Traffic escort
24Criminal warrant service/criminal arrest
25Transport other county agency
26Suspicious situation/vehicle/person
27Investigation-preliminary or follow-up
28IRT activity
29K-9 activity
31Transport
32Out of county - investigation/bus/court
33Vehicle maintenance/refueling
34C.S.U. activity
38Uniform OD job - start
39Uniform OD job - stop
51Detail (non-traffic)
52Traffic (control detail, pre-arranged)
53Trafic problem - on patrol
54Traffic stop
55Radar/traffic enforcement detail
56Community policing/pop activity
62Emergency petition service
91Station activity
92Eating
99All other miscellaneous activity

Ten Codes

CodeMeaning
10-1Receiving poorly
10-2Receiving well
10-3No transmitting except emerg
10-4Message RX - 1 person unit
10-5On the scene
10-6Busy (add activity code)
10-7Out of service (add activity)
10-8In service
10-9Repeat last message
10-10Out of service, available for call (add activity code)
10-12Advise weather & road cond
10-13Request wrecker
10-15Transporting prisoner in custody (add activity code)
10-16request to meet … at …
10-19Request to meet shift commander at …
10-20What is your location?
10-21Request field supervisor
10-22Cancel or disregard last info
10-23Check for valid license
10-24Contact communications, your convenience
10-26Report to your station
10-27Advise phone number for …
10-28Registration check (tag listing)
10-29Check for wanted/stolen
10-30Does not conform to regulations
10-31Do you have any calls for me
10-32I have nothing for you
10-40Advise your welfare
10-41Welfare is OK
10-50Officer in trouble
10-51Request assistance at (location)no emergency
10-60Return on wanted/stolen check wanted on stolen indicated
10-61Contagious disease exposure caution code, precautions recom
10-62Is your radio air clear?
10-70Units stay clear of (location)
10-86Call … at …
10-88Pick up/deliver package
10-97How is my reception?
10-99Message received - 2 person unit
10-100Riot or large disturbance in progress at (location) request assistance

Prince Georges County Police Codes

Dispatch Signals

CodeMeaning
1Contact your station landline
2Contact station, urgent
3Report to your station
3iReport to station, urgent
4Meet complainant for report
5Investigate vehicle
6Investigate vehicle occupants
6iInvestigate drunk driver
7Investigate suspicious person
7aInvestigate suspicious (caution)
8Registration information
9Accident
9fAccident with death
9iAccident with injuries
11Hit & run
11fHit & run with death
11iHit & run with injuries
12Jail break at …
13Officer in trouble, EMERGENCY
13iTrouble at station, EMERGENCY
14Investigate felony
14fInvestigate felony warrants
14xInvestigate felony will extradite
15Unlawful assembly
15fFight
15rRiot
20Ambulance call, routine
20eAmbulance call, escort
20iAmbulance call, EMERGENCY
22Unknown trouble in building
25Animal complaint
25bAnimal bite
25fAnimal dead
26Bad weather, no accident reports
30Summons in lieu of arrest
40Tack ups (Sheriff only)
44Bomb threat
45Cave-in
46Motorcycle complaint
50Cross burning
60Assault report
61Burglary report
62House breaking
63Larceny report
64Murder
65Sex
66Suicide or attempt
67Drowning
68Disorderly subject
70Drunk
71Family trouble
72Juvenile report
73Disorderly juveniles
74Unlawful assembly of juveniles
75Request camera
76Assist fire department
76cAssist fire dept. (crowd control)
76tAssist fire dept. (Traffic)
78Burglar alarm
79Open building
81Death report
82Meet officer at …
83Notification at …
84Hold up
86Break-in at …
87School or church crossing
88Stop for mail at …
89Pick up recovered property
90Minor repairs at …
91Out for gas
98Eating out of area
99Out of service for meal
100Car control transmitter
500Lock out to follow

Ten Codes

CodeMeaning
10-1Receiving poorly
10-2Receiving well
10-3Stop transmitting
10-4Acknowledgement
10-5Relay to …
10-6Busy
10-7Out of service
10-8In service
10-9Repeat
10-10Out of service, available
10-11Transmitting too fast
10-13Advise weather conditions
10-14Convoy or escort
10-14aArmy
10-14bBank or money
10-14eExplosives
10-14fFuneral
10-14lAlcohol beverage
10-14mMarines
10-14nNavy
10-14wWide load
10-15Have prisoner in custody
10-20What is your location?
10-21Do you have any calls for me?
10-22Cancel last message
10-25Do you have contact with …
10-27Any reply to our message?
10-28Check registration
10-29Check for wanted or stolen
10-30Does not conform to regulations
10-32Last assignment complete
10-33Important business at station
10-34Clear for local broadcast
10-36Call landline
10-37Dispatcher on duty
10-40Advise landline number
10-41No calls for you at this time
10-42Check for driver's license
10-62Unable to copy
10-64Network free to copy lookout
10-70Statewide broadcast
10-85… left station at …
10-86Call home
10-89… is calling your station
10-94Test, no voice, transmitter only
10-97How do you copy?

Map of Maryland

Police Codes in other US States