| 10-4 | Acknowledgement - OK - Understood. |
| 10-7 | Out of Service. |
| 10-8 | Responding - Enroute - In-service. |
| 10-15 | All good, situation normal. |
| 10-20 | Location. |
| 10-24 | Assignment complete - Returning to Station. |
| 10-42 | Going home or at home. "He's at his 42" |
| 10-81 | Back in Quarters - Back at the Station - "I'm out at 81" |
| 99 | Out on break / meal break. Sometimes "99 on portable" |
| Code 1 | Responding to the call without using lights or sirens. |
| Code 2 | Responding to the call with emergency lights activated, in an expedited manner. |
| Code 3 | Responding to the call with lights and sirens activated, in an expedited manner. |
| Code 9 | County Coroner. |
| Code 10 | Emergency Traffic Only (Only radio traffic for current call) - See Restricted Traffic in terminology section. |
| Code 12 | Private Carrier - Ambulance. |
| Code 15 | All good, situation normal. |
| Code 42 | Used for mental health emergencies. |
