Cambridgeshire Constabulary
Calling 999 connects you to an emergency service operator for police, fire, or ambulance assistance in life-threatening or urgent situations within Cambridgeshire. It is crucial to use this number strictly for emergencies to ensure prompt response. The service operates 24/7, with specific provisions for those with hearing or speech impairments through textphone 18000 or by sending a text to 999 after pre-registration. Users with communication difficulties can utilize the Pegasus Scheme to streamline information sharing. Avoid calling during non-emergency situations as this may delay help for genuine emergencies.
Updated 31 Oct 2025
Expected outcomes
- Report life-threatening emergencies
- Request ambulance service
- Request police assistance
- Request fire service
- Use textphone for emergency
- Text for emergency (pre-registered)
Call preparation
Assemble everything before you dial. These requirements are verified by our call analysts and updated as organizations change their scripts.
- Type of emergency
- Location details
- Incident details
- Text pre-registration
- Pegasus PIN
- Pegasus registration
Known issues
A common issue is the misuse of the 999 number for non-emergency situations. This abuse can lead to dangerous delays for those in real need. The public is advised to reserve 999 strictly for emergencies. Non-urgent matters should be directed to 101, the non-emergency police number. For hearing or speech impairments, it's important to pre-register your mobile for texting 999. Additional support is available through the Pegasus Scheme for those with communication difficulties, ensuring their details are readily accessible during an emergency. Public awareness campaigns aim to educate about appropriate usage.
