Police Department Fully Encrypted

Costa Mesa Police

Orange, California

What you can do right now

Encryption Details

Encryption Type P25 AES-256
Scope All Operations
Technical Details P25 AES-256

Verified Talkgroup Data

Verified Mar 6, 2026 Moderate confidence
18 Total Talkgroups
5 Encrypted
13 Unencrypted
28% Encrypted
Radio System: Nextel (Santiago), Touch Tel Mobile (Orange County), Touch Tel Mobile (217 Mhz Santiago Peak), Nextel (WPPH675), Countywide Coordinated Communications System (CCCS) (P25), Caltrans (District 7/8/12), Southern California Edison
View 5 talkgroups
DEC Alpha Tag Description Status
45 3A COS-DSP 3A Costa Mesa Dispatch Encrypted
47 3B COS-TAC 3B Costa Mesa Tac Encrypted
233 3J COS-TAC 3J Costa Mesa Tac Encrypted
41 COS A-TAC 1A Costa Mesa Ops Encrypted
43 COS B-TAC 1B Costa Mesa Ops Encrypted

Verification Status

We don't yet have per-talkgroup data for Costa Mesa Police from the RadioReference API. The encryption scope and type above come from the RadioReference Wiki, which is community-maintained rather than independently confirmed channel-by-channel. Our automated matching put this at moderate confidence (70%) based on how closely the wiki listing matches this agency's name and county.

If you monitor Costa Mesa Police directly or have more current information, the fastest way to fix this is to update the RadioReference Wiki entry — our data pulls from there and from the RadioReference API on a regular refresh cycle.

Orange County Context

Costa Mesa Police isn't an outlier here: 34 of the 35 public-safety agencies we track in Orange County are fully encrypted (97%), so most departments nearby have made the same move.

What This Means

This agency is listed in our database as encrypting all of its radio communications, including routine dispatch. The listing is unverified — confirm current status on the live RadioReference database.

See encryption status nationwide Interactive map showing which US police departments have encrypted their radios. Open the encryption map →

Frequently Asked Questions

Is Costa Mesa Police radio encrypted?

Costa Mesa Police is listed in our records with P25 AES-256 encryption — a listing we haven't yet verified against live talkgroup data. This agency is listed in our database as encrypting all of its radio communications, including routine dispatch. The listing is unverified — confirm current status on the live RadioReference database.

Can I listen to Costa Mesa Police on a police scanner?

Likely not, if the listing is accurate: our database lists Costa Mesa Police as fully encrypted using P25 AES-256, which no consumer scanner can decode. The listing is unverified — check the live RadioReference database for current status.

Why do agencies like Costa Mesa Police encrypt their radio?

Ask why, and the answer is usually officer safety, sometimes operational security. What is harder to obtain is any documented case in Orange County where an open channel caused harm. The costs need no such documentation: reporting on police department response slows down, and mutual-aid coordination gets more awkward, immediately.

Can Orange County reverse the encryption decision?

Yes. Whoever made this call for Costa Mesa Police can also unmake it; there's no technical lock-in. The approach that has worked elsewhere combines public-records requests, direct council pressure, and a coordinated local coalition.

What can I do about Costa Mesa Police encryption?

Contact the officials who oversee Costa Mesa Police's budget directly and ask why full encryption was chosen over partial alternatives. Pair that with a FOIA request for recordings and policy records, and look for an existing coalition in Orange County, or start one, since agencies respond differently to organized, sustained pressure than to individual complaints.

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