DispatchPrep Blog
How to Become a 911 Dispatcher
Becoming a 911 dispatcher is one of the more accessible public-safety careers — no degree required at most agencies — but the hiring process is a gauntlet of screens designed to find people who can stay accurate under pressure. Here's the path.
1. Meet the basic requirements
Most agencies require you to be 18+, have a high school diploma or GED, pass a background check, and type at a minimum speed. Specifics vary — read the posting.
2. Apply and pass the written test
You'll typically take an entry-level dispatcher exam (in California, the POST battery) measuring verbal ability, reasoning, memory, and perception.
3. Pass CritiCall
Many agencies then run CritiCall — a timed, computer-based battery covering data entry, typing, memory, prioritization, and more. This is where a lot of otherwise-strong candidates fall out.
4. Interview, background, and screening
Expect an oral board interview, a thorough background investigation, and often a psychological and medical evaluation. Honesty and preparation carry you here.
5. Academy and on-the-job training
Once hired, you'll go through a dispatch academy and months of supervised training before you're solo. The prep you did for the tests pays off again here — the academy assumes you can already listen, type, and prioritize.
Where people stumble
The single biggest filter is the testing stage — the written exam and CritiCall — where roughly eight in ten candidates fail on their first attempt. Preparing specifically for those tests is the highest-leverage thing you can do.
DispatchPrep covers the POST audio battery and CritiCall with studio-produced call-taking audio. See what's included →
Studio-produced call-taking audio for the POST entry exam & CritiCall — the modules candidates fail most.
See what's included →More guides