Signal 55 Police Code Meaning & Definition

What Does Signal 55 Mean?

Signal 55 is a police radio code most commonly used to mean 911 Hang-up.

Police departments and dispatch centers may use Signal 55 differently, but 911 Hang-up is the most common meaning found in our database of agencies across the United States.

Most Common Meaning: 911 Hang-up

Used this way by: 50% of agencies on this page
Used in: 2 agencies across 2 states
Category: Communication
Consensus: MediumMost agencies use this code similarly, but some regional or agency variations exist.

Code Distribution Breakdown

911 Hang-up: 50% (1 agency)
Call The Communications Center: 50% (1 agency)

Signal 55 Police Code Meanings by Agency

2 agencies across 2 states
Signal 55: 911 Hang-up
CategoryCommunication
State Georgia
Agency Atlanta Police Department
Sources
Signal 55: Call The Communications Center
CategoryCommunication
State Ohio
Agency Cincinnati Police Department
Sources

Why Does Signal 55 Have Different Meanings?

Police radio codes are not standardized nationwide. Different agencies may assign different meanings to Signal 55 , which is why multiple definitions can exist for the same code.

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