10 40 Police Code: Meaning in General-purpose, APCO VA and CA

10 40 police code is an important police radio communication signal for police officers. It means:

System/Region	Police Code	Meaning	When to Use	Example
General Purpose	10-40	Silent Run – No Light, Siren	Approaching a crime scene where stealth is critical. Responding to sensitive situations without public disturbance.	Officer: “Mark this response as 10-40. No lights or siren.” Dispatch: “Understood. Proceed silently.”
APCO	10-40	Fight in Progress	Notifying units of an active altercation. Calling for immediate backup at a violent scene.	Officer: “Dispatch, we have a 10-40 at 5th Avenue. Situation escalating.” Dispatch: “Copy that, additional units are on their way.”
Norfolk, VA	10-40	Suspicious Person-Auto	Investigating individuals loitering near parked vehicles. Reporting unusual activity in parking areas or streets.	Officer: “Dispatch, checking a 10-40 near a blue SUV on Main Street.” Dispatch: “10-40 noted. Backup available if needed.”
Walnut Creek, CA	10-40	Is __ Available for Phone Call?	Requesting immediate communication with another officer. Confirming availability for phone calls during shifts.	Officer: “Dispatch, 10-40 for Sergeant Lee. Is she available?” Dispatch: “Confirmed. Connecting you now.”

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What Does 10 40 Police Code Mean for General Purpose?

For general-purpose, 10 40 police code means: Silent Run – No Light, Siren

It is used to indicate that an officer is responding to a situation without using lights or sirens. This approach ensures discretion, particularly when a high-profile response could escalate the situation or alert suspects.

When Is Police Code 10-40 Used for General Purpose?

10 40 police code is typically used in situations such as:

1. Responding to a robbery in progress without alerting suspects.
2. Approaching a sensitive location where discretion is needed.

Example in Action of Police Code 10-40 for General Purpose

• Officer 1: “Dispatch, Unit 7 en route, marking as 10-40. Silent run.”
• Dispatch: “Unit 7, 10-40 confirmed. Proceed cautiously.”

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What Does Police Code ten 40 Mean for APCO Association of Police Communication Officer?

In the Association of Police Communication Officer APCO system, Police Code 10-40 means:Fight in Progress

It is used to report a physical altercation or fight that is actively happening. This ensures immediate attention and response from law enforcement.

When Is Police 10-40 Code Used for APCO?

1. Witnesses report an ongoing fight in a public or private space.
2. Officers are called to intervene in a violent altercation.

Example in Action of Police Code 10-40 for APCO

• Officer 2: “Dispatch, we have a 10-40 at Main Street Park. Multiple individuals involved.”
• Dispatch: “Copy that, Unit 4. Backup en route.”

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What Does Police Code 10-40 Mean for Norfolk, VA Virginia?

In Norfolk, VA Virginia, Code 10-40 means: Suspicious Person-Auto

It is used to report a suspicious individual in or near a vehicle. This may indicate potential criminal activity or suspicious behavior that requires investigation.

When Is Cop Code 10-40 Used for Norfolk, VA?

1. A suspicious person is loitering around a parked car.
2. Unusual activity is noticed near vehicles in high-risk areas.

Example in Action of Code 10-40 for Norfolk, VA

• Officer 3: “Dispatch, we’ve got a 10-40 on Elm Avenue. Checking a suspicious person near a black sedan.”
• Dispatch: “Roger that, Unit 5. Stay on alert.”

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What Does Police Code 10-40 Mean for Walnut Creek, CA California?

In Walnut Creek, CA California, Code ten40 means: Is __ Available for Phone Call?

It is used to check the availability of a specific officer or personnel for a phone call. This is often used in non-emergency communication.

When Is Cop Code 10-40 Used for Walnut Creek, CA?

1. An officer needs to communicate urgently with another officer.
2. A dispatcher needs confirmation before connecting a call.

Example in Action of Police Code 10-40 for Walnut Creek, CA

• Officer 4: “Dispatch, 10-40 for Officer Brown. Is he available for a call?”
• Dispatch: “10-40 confirmed. Transferring now.”

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