Police code 11-99 commonly means an officer needs help or urgent assistance. It is a high-priority call that scanners and dispatch traffic treat seriously because it signals a possible emergency for a sworn unit.
If you want the broader context, see our Police 11 Codes guide and the Police Scanner Codes guide for the surrounding response language.
What 11-99 Means
11-99 is commonly read as officer needs help or urgent assistance. In practical terms, it tells others that the unit may need backup or immediate support.
Common Use in Police Radio and Scanner Traffic
This code is often used when an officer believes the situation is serious enough to need immediate help. Listeners usually recognize it as a high-priority call because the tone is more urgent than routine radio traffic.
Plain-English Example
A unit might transmit an 11-99 to request help at a stop or during a confrontation, which tells dispatch that the situation should be treated as urgent.
Important Variation Note
Some agencies use 11-99 regularly, while others rarely use it or rely on different emergency terms. Because it is not universal, the local code book always matters.
For related response pages, compare Code 3, Code 4, 10-33, and 10-20.
FAQ
Is 11-99 universal?
No. It is strongly associated with officer help or emergency aid, but exact usage depends on the department and region.
Is 11-99 the same as Code 3?
Not exactly. Code 3 usually describes the response level, while 11-99 is more about the officer needing help or urgent assistance.
Should scanner listeners treat 11-99 as serious?
Yes. Even though the exact wording can vary, it is generally used for high-priority traffic and deserves attention.
What should I read with 11-99?
Code 3, Code 4, 10-33, and 10-20 are the best companion pages because they explain the surrounding response language.