P25 AES-256

P25 AES-256 Encrypted Agencies

1,959 public safety agencies across the United States use P25 AES-256 encryption on their radio communications.

Encryption Strength: military grade
1,059 Police Departments
350 Sheriff Offices
159 Fire Departments
47 EMS Agencies
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About P25 AES-256

Military-grade 256-bit AES encryption on Project 25 digital radio systems. This is the most secure and widely deployed encryption standard for public safety.

Technical Details

Advanced Encryption Standard with 256-bit keys on APCO Project 25 Phase 1/2 trunked radio systems. Uses OTAR (Over-the-Air Rekeying) for key management.

Common Usage

Large police departments, state police, federal agencies, major metropolitan areas

States with Most P25 AES-256 Agencies

PA 175 agencies CA 156 agencies NJ 152 agencies TX 134 agencies OH 117 agencies IL 103 agencies FL 86 agencies NY 80 agencies AL 63 agencies MN 60 agencies

All P25 AES-256 Agencies

Browse all 1,959 agencies using this encryption standard.

Agency State County Type Scope
Alameda County Sheriff CA Alameda sheriff Tactical Only
American Medical Response CA San Bernardino ems Fully Encrypted
Anaheim Police CA Orange police Fully Encrypted
Antioch Police CA Contra Costa police Fully Encrypted
Banning Police CA Riverside police Fully Encrypted
Barstow Police CA San Bernardino police Fully Encrypted
Beaumont Police CA Riverside police Fully Encrypted
Benicia Police CA Solano police Fully Encrypted
Berkeley Police CA Alameda police Tactical Only
Brea Police CA Orange police Fully Encrypted
Brentwood Police CA Contra Costa police Fully Encrypted
Buena Park Police CA Orange police Fully Encrypted
Campbell Police CA Santa Clara police Fully Encrypted
Cal State Fullerton Police CA Orange police Fully Encrypted
Cal State Monterey Bay Police CA Monterey police Fully Encrypted
Cathedral City Police CA Riverside police Fully Encrypted
Carmel Police CA Monterey police Fully Encrypted
Chino Police CA San Bernardino police Fully Encrypted
Chula Vista Police CA San Diego police Fully Encrypted
Coast Community College District Police CA Orange police Fully Encrypted
Concord Police CA Contra Costa police Fully Encrypted
Contra Costa County Sheriff CA Contra Costa sheriff Tactical Only
Corona Police CA Riverside police Fully Encrypted
Costa Mesa Police CA Orange police Fully Encrypted
Culver City Police CA Los Angeles police Fully Encrypted
Cypress Police CA Orange police Fully Encrypted
Del Ray Oaks Police CA Monterey police Fully Encrypted
Desert Hot Springs Police CA Riverside police Fully Encrypted
East San Gabriel Valley / Foothills Special Enforcement Team CA Los Angeles other Partially Encrypted
El Cajon Police CA San Diego police Fully Encrypted
El Monte Police CA Los Angeles police Fully Encrypted
El Segundo Police CA Los Angeles police Fully Encrypted
Escondido Police CA San Diego police Fully Encrypted
Foothill-De Anza Community College District CA Santa Clara university Fully Encrypted
Fountain Valley Police CA Orange police Fully Encrypted
Fontana Police CA San Bernardino police Fully Encrypted
Fullerton Police CA Orange police Fully Encrypted
Fremont Police CA Alameda police Fully Encrypted
Gardena Police CA Los Angeles police Fully Encrypted
Garden Grove Police CA Orange police Fully Encrypted
Gilroy Police CA Santa Clara police Fully Encrypted
Gonzales Police CA Monterey police Fully Encrypted
Greenfield Police CA Monterey police Fully Encrypted
Hawthorne Police CA Los Angeles police Fully Encrypted
Hercules Police CA Contra Costa police Tactical Only
Hermosa Beach Police CA Los Angeles police Fully Encrypted
Huntington Beach Police CA Orange police Fully Encrypted
Imperial County District Attorney CA Imperial sheriff Fully Encrypted
Imperial County Sheriff's Office CA Imperial sheriff Fully Encrypted
Indio Police CA Riverside police Fully Encrypted
Inglewood Police CA Los Angeles police Fully Encrypted
Irvine Police CA Orange police Fully Encrypted
Irvine Valley College Police CA Orange police Fully Encrypted
King City Police CA Monterey police Fully Encrypted
Laguna Beach Police CA Orange police Fully Encrypted
La Mesa Police CA San Diego police Fully Encrypted
La Palma Police CA Orange police Fully Encrypted
Los Altos Police CA Santa Clara police Partially Encrypted
Los Alamitos Police CA Orange police Fully Encrypted
Los Gatos Police CA Santa Clara police Fully Encrypted
La Habra Police CA Orange police Fully Encrypted
La Palma Police CA Orange police Fully Encrypted
Laguna Niguel Police CA Orange police Fully Encrypted
Livermore Police CA Alameda police Fully Encrypted
Long Beach City Police CA Los Angeles police Fully Encrypted
Manhattan Beach Police CA Los Angeles police Fully Encrypted
Marina Police CA Monterey police Fully Encrypted
Martinez Police CA Contra Costa police Fully Encrypted
MetroNet/North Cities Fire CA Orange fire Fully Encrypted
Milpitas Police CA Santa Clara police Partially Encrypted
Menifee Police CA Riverside police Fully Encrypted
Modesto Police CA Stanislaus police Fully Encrypted
Morgan Hill Police CA Santa Clara police Fully Encrypted
Monrovia Police CA Los Angeles police Fully Encrypted
Montebello Police CA Los Angeles police Fully Encrypted
Montclair Police CA San Bernardino police Fully Encrypted
Monterey County District Attorney CA Monterey sheriff Fully Encrypted
Monterey City Police CA Monterey police Fully Encrypted
Monterey County Sheriff CA Monterey sheriff Tactical Only
Monterey Park Police CA Los Angeles police Fully Encrypted
Mountain View Police CA Santa Clara police Specific Channels
Murrieta Police CA Riverside police Fully Encrypted
Mountain View Fire CA Santa Clara fire Fully Encrypted
NASA Ames Research Center CA Santa Clara other Fully Encrypted
Newark Police CA Alameda police Fully Encrypted
Newport Beach Police CA Orange police Fully Encrypted
Oakland Police CA Alameda police Fully Encrypted
Oceanside Police CA San Diego police Fully Encrypted
Orange County Emergency Medical Services CA Orange ems Fully Encrypted
Orange County Fire Authority CA Orange fire Fully Encrypted
Orange County Law Interoperability CA Orange sheriff Fully Encrypted
Orange County Sheriff CA Orange sheriff Fully Encrypted
Pacific Grove Police CA Monterey police Fully Encrypted
Placentia Police CA Orange police Fully Encrypted
Palm Springs Police CA Riverside police Fully Encrypted
Palo Alto Police CA Santa Clara police Partially Encrypted
Pinole Police CA Contra Costa police Tactical Only
Pleasantion Police CA Alameda police Fully Encrypted
Port of Long Beach CA Los Angeles other Fully Encrypted
Rancho Santiago College Community District Police CA Orange police Fully Encrypted

Showing first 100 of 1,959 agencies. Use state pages to browse all agencies.

What This Means for Transparency

Not Publicly Accessible

P25 AES-256 encryption cannot be decoded with consumer radio equipment. 1,959 agencies using this standard have effectively blocked public access to their radio communications.

Take Action

If your local agency uses P25 AES-256 encryption, you can advocate for transparency. Contact elected officials and attend public meetings.

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