Maryland Police Radio Codes

Maryland State Police Codes
Ann Arundel County Police Codes
Baltimore County Fire Department Codes
Baltimore County Police "Situation Found" Codes
Baltimore County Police Codes
Department of Transportation Codes
Howard County Sheriff's Codes
Montgomery County Police Codes
National Capital Park Police Codes
Prince Georges County Police Codes
Map of Maryland

Maryland State Police Codes

Code	Meaning
10-0	Caution
10-1	Unable to copy - change loc
10-3	Stop transmitting
10-4	Acknowledgement (OK)
10-5	Relay
10-6	Busy, unless urgent
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 (stop)
10-13	Weather … road report
10-14	Prowler report
10-15	Civil disturbance
10-16	Domestic problem
10-17	Meet complainant
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, expedite
10-27	Driver's license information
10-28	Vehicle registration info
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	Investigate susp. vehicle
10-38	Stopping suspicious vehicle
10-39	Urgent - use light & siren
10-40	Silent run - no light/siren
10-41	Beginning tour of duty
10-42	Ending tour of duty
10-43	Information
10-44	Permission to leave … for
10-45	Animal carcass at
10-46	Assist motorist
10-47	Emergency road repair at …
10-48	Traffic standard repair at
10-49	Traffic light out at …
10-50	Accident (F, PI, PD)
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 & Run (F, PI, PD)
10-58	Direct traffic
10-59	Convoy or escort
10-60	Squad in vicinity
10-61	Personnel in area
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 alarm
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	Enroute
10-77	ETA
10-78	Need assistance
10-79	Notify coroner
10-80	Chase in progress
10-81	Breath test
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 # 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

Ann Arundel County Police Codes

Code	Meaning
10-0	Caution
10-1	Unable Copy-Change Location
10-2	Signal Good
10-3	Stop Transmitting
10-4	Acknowledgment (ok)
10-5	Relay
10-6	Busy … Unless Urgent
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 (stop)
10-13	Weather … Road Report
10-14	Prowler Report
10-15	Civil Disturbance
10-16	Domestic Problem
10-17	Meet Complainant
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, Expedite
10-27	Drivers license Information
10-28	Vehicle Registration Info
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	Investigate Suspicious Car
10-38	Stopping Suspicious Car
10-39	Urgent … Use Lights/Siren
10-40	Silent Run … No Lights/Siren
10-41	Beginning Tour of Duty
10-42	Ending Tour of Duty
10-45	Animal Carcass At …
10-46	Assist Motorist
10-47	Emergency Road Repair At …
10-48	Traffic Standard Repair
10-49	Traffic Light Out At …
10-50	Accident (F,PI,PD)
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 & Run (F,PI,PD)
10-58	Direct Traffic
10-59	Convoy or Escort
10-60	Squad In Vicinity
10-61	Personnel In Area
10-62	Reply To Message
10-63	Prepare Make Written Copy
10-64	Message for Local Delivery
10-65	Not Message Assignment
10-66	Message Cancellation
10-67	Clear for Net Message
10-68	Dispatch Information
10-69	Message Received
10-70	Fire Alarm
10-71	Advise Nature of Fire
10-72	Report Progress of Fire
10-73	Smoke Report
10-74	Negative
10-75	In Contact With …
10-76	En Route
10-77	ETA (estimated time arrival)
10-78	Need Assistance
10-79	Notify Coroner
10-80	Chase In Progress
10-81	Breatherlizer Report
10-82	Reserve Lodging
10-83	Work School Xing At …
10-84	If Meeting … - Advise E
10-85	Delayed Due To …
10-86	Officer/Operator On Duty
10-87	Pickup/Distribute Checks
10-88	Present Telephone # Of
10-89	Bomb Threat
10-90	Bank Alarm At …
10-91	Pick Up Prisoner/Subject
10-92	Inproperly 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

Baltimore County Fire Department Codes

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

Baltimore County Police "Situation Found" Codes

Accidents

Code	Meaning
C1	Auto Accident-Property Damage
C2	Auto Accident-Personal Injury
C3	Auto Accident-Fatal
C4	Auto Accident-Departmental
C5	Auto Accident-Departmental P.I
C6	Auto Accident-Departmental Fatal
C7	Hit & Run Accident-Property
C8	Hit & Run Accident-Personal
C9	Hit & Run Accident-Fatal
C10	Construction Accident
C11	Farm Accident
C12	Industrial Accident
C13	Residential Accident
C14	Rescues, All Types
C15	Accidental Stabbing/Shooting
C18	Train Derailment or Accident
C19	Subway Derailment or Accident

Assist

Code	Meaning
E1	Assist Motorist
E2	Attempt To Locate
E3	Assistance Request
E4	Check On Subject
E5	Check On Location
E6	Slim-Jim Detail
E7	Civil Matter

Domestic

Code	Meaning
B2	Child Abduction/Stealing
B3	Child Abuse
B4	Child Neglect
B5	Custody Despute
B6	Domestic
B7	Juvenile Complaint
B9	Minors In Possession
B10	Missing Adult
B11	Missing Child
B12	Missing Adult Returned
B13	Missing Child Returned
B14	Domestic-Spousal Assault

Investigative

Code	Meaning
A1	Accidental Death
A2	Alarm, Accidental
A3	Alarm, Weather Malfunction
A4	Alarm, Faulty
A5	Alarm, Misuse
A6	Anonymous Calls, Telephone
A7	Arson
A8	Bomb Threat
A9	Bombing
A11	Destruction of Property
A12	Disturbance
A13	Escapes & AWOLS
A14	Fires, Suspicious
A15	Fires, Other
A16	Gambling & Booking
A17	Gambling Numbers & Lotto
A18	Gambling Other
A19	Prostitution
A20	Hunters
A21	Discharging Firearms
A23	Liquor Law Violation
A24	Liquor, Open Container
A25	Loitering Complaint
A26	Malicious Burning
A27	Mental Subject
A28	Emergency Commitment
A29	Narcotics
A30	Neighbor Complaint
A31	Open Door or Window
A32	Possession of A Deadly Weapon
A33	Road Defects/Hazardous
A34	Sudden Death
A35	Suicide
A36	Suicide, Attempt
A37	Suspicious Suspect
A38	Tampering With Food
A39	Trespassing
A40	Unknown Trouble
A41	Field Interview
A42	Expired Patient
A43	Toxic Waste Spilt
A44	Overdose
A45	Home Improvement Violation
A49	Alarm, Civil Citation

Miscellaneous

Code	Meaning
F1	Burning Complaints
F3	Notify
F4	Customer Dispute
F5	Detention of O.J
F6	False Report
F7	Found Property
F8	Lost/Stolen Property
F9	Noise Complaint
F10	Health/Trash Complaint
F11	Warrants/Summons Service
F12	Non-Enumerated Complaint
F13	Traffic Stops
F14	All Animal Bite Case
F16	Duplicate Call
F17	County Code Violation-Other
F18	Added Information

Racial Religous Ethnic (rre)

Code	Meaning
K1	Assault/Battery
K2	Cemetery Desecration
K3	Cross/Religous Symbol Burning
K4	Destruction of Property
K5	Harassment
K6	Telephone Misuse
K7	Non-Criminal Related Incident
K8	Other Criminal RRE Incidents

Sexual Related

Code	Meaning
G1	Indecent Exposure
G2	Rape
G3	All Other Sex Offenses
G4	Rape Attempt

Status Codes

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

Theft

Code	Meaning
H1	Altered Money/Counterfeiting
H2	Burglary/B & E Attempt
H3	Burglary/Breaking & Entering
H4	Credit Card Misuse
H5	Bad Checks
H6	Failure To Return Rental Property
H7	Failure To Pay
H8	Forgery
H9	Theft-Motor Vehicle
H10	Theft-Bike
H11	Theft-Other
H12	Theft-From Motor Vehicle
H13	Theft-Purse Snatching
H14	Theft-Shoplifting
H15	Unauthorized Use
H16	Theft-Boat
H17	Theft-From Boat
H18	Recovered Motor Vehicles
H19	Recovered Bikes
H20	Recovered Property

Traffic

Code	Meaning
D1	Abandoned Vehicle
D2	Parking Complaint
D3	Suspicious Vehicle
D4	Stored Vehicle
D5	Tampering W/Motor Vehicle
D6	Traffic Arrest-D.W.I
D7	Traffic Arrest-Other
D8	Traffic Complaint-D.W.I
D9	Vehicle Pursuit
D10	Boating Complaint
D11	Boating Accident
D12	Vessels In Distress, Including Grounding
D13	Traffic Complaint-Other

Violence

Code	Meaning
J1	Robbery-Armed
J2	Robbery-Unarmed
J3	Robbery-Attempted
J4	Battery
J5	Aggravated Assault
J6	Homicide
J7	Simple Assault(not spousal)

Baltimore County Police Codes

Code	Meaning
10-1	Transmission Check
10-2	Signals Good
10-3	Signals Poor
10-4	Acknowledgement
10-5	Failed To Acknowledge
10-6	Stand-By, Busy, Unless Urgent
10-7	Out of Service-Give 10-20
10-8	In Service
10-9	Repeat
10-11	Meet … At …
10-12	Not Available
10-14	Wagon Run
10-15	Urgent Wagon Run
10-16	Back Up Unit …
10-17	Call Whatever You Are Assigned To
10-18	Go Into Whatever You Are Assigned To
10-19	Return To …
10-20	Location
10-21	Call … (somewhere other than 10-17)
10-22	Disregard
10-23	Arrived At Scene
10-25	Stopping Suspicious Vehicle Give 10-20, License Number Etc
10-26	Request To Change To City Wide Frequency
10-27	Driver's License Information
10-28	Vehicle Registration Information
10-29	Check Records for Wanted
10-30	Person or Vehicle Is Wanted, Use Caution
10-31	Crime In Progress
10-32	Sufficient Units On The Scene, Return To Posts
10-33	Emergency
10-34	Major Civil Disturbance In Progress
10-35	Major Crime Alert
10-36	Stand By Copy Description
10-37	Requesting A Tow Truck
10-38	Requesting An Ambulance (responding advise)
10-39	Disable Departmental Vehicle, Give 10-20 and Vehicle Number
10-40	Request Crime Laboratory
10-41	Request Impound Truck
10-42	Request Animal Shelter
10-43	Malfunctioning Traffic Signals A … Signal Completely Out B … Red Signal Out C … Signal Sticking D … Stop Sign or Yield Sign Down or Missing
10-44	Request Permission To Patrol On Foot, Try Up, Lunch
10-45	Permission Denied
10-46	Permission Granted
10-47	Negative
10-48	Positive
10-49	Hourly Call … Give 10-20
Kga	Replaces Headquarters or Radio
Signal	13 … ASSIST AN OFFICER … Preceded By An Alert Tone

Department of Transportation Codes

Signals

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

Ten Codes

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

Howard County Sheriff's Codes

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

Montgomery County Police Codes

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

National Capital Park Police Codes

Event Clearance Codes

Code	Meaning
Dash five	Event ont verified, no report
Dash four	Event verified, report written, arrest made
Dash one	Event 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 seven	Event turned over to other agency, no report
Dash six	Event unfounded, no report
Dash three	Event verified, no report, arrest made or citation issued
Dash two	Event verified, report written, no arrest

Status Codes

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

Ten Codes

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

Prince Georges County Police Codes

Dispatch Signals

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

Ten Codes

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

Map of Maryland

Maryland Police Radio Codes

Contents

Maryland State Police Codes

Ann Arundel County Police Codes

Baltimore County Fire Department Codes

Baltimore County Police "Situation Found" Codes

Accidents

Assist

Domestic

Investigative

Miscellaneous

Racial Religous Ethnic (rre)

Sexual Related

Status Codes

Theft

Traffic

Violence

Baltimore County Police Codes

Department of Transportation Codes

Signals

Ten Codes

Howard County Sheriff's Codes

Montgomery County Police Codes

National Capital Park Police Codes

Event Clearance Codes

Status Codes

Ten Codes

Prince Georges County Police Codes

Dispatch Signals

Ten Codes

Map of Maryland

Police Codes in other US States

Codes by Type

Codes by Location

Additional Info