June 30, 1937

The world's first emergency telephone number, 999, was introduced in the United Kingdom, allowing the public to quickly connect to police, fire, or ambulance services.


London, United Kingdom | British government

Watercolor painting based depiction of The world's first emergency telephone number, 999, was introduced in the United Kingdom, allowing the public to quickly connect to police, fire, or ambulance services. (1937)

Introduction of the 999 Emergency Number in the United Kingdom

On June 30, 1937, the United Kingdom introduced the world’s first emergency telephone number, 999. This significant development marked a pioneering step in public safety and emergency response, providing the public with a quick and efficient means to contact police, fire, or ambulance services.

Historical Context

Prior to the introduction of the 999 emergency number, accessing emergency services involved directly contacting local police stations or fire departments, a process that could be time-consuming and varied greatly in efficiency. The need for a rapid response system became increasingly evident following a tragedy in 1935. During a severe fire at the Wimpole Street home of a prominent surgeon in London, five women lost their lives. Unable to reach the fire department quickly, neighbors’ efforts to assist were hampered by the cumbersome manual process of directing phone calls via human operators.

Establishment of 999

In response to the suggested improvements following the Wimpole Street fire, the General Post Office (GPO), responsible for the UK’s telephone service, implemented the 999 emergency service. This unique line of communication was initially established in London and later expanded to other major cities and regions in the UK. The number was chosen for its simplicity and ease of use, especially in times of panic and distress, where complicated dial sequences could lead to further delay.

The system was designed so that upon dialing 999, a special booth would alert operators with a distinct red flashing light and an accompanying sound, ensuring that emergency calls received the priority and immediate response they required compared to other telephone traffic.

Significance and Aftermath

The introduction of the 999 emergency service was revolutionary, setting a standard that many other countries would eventually adopt with their own emergency numbers, such as 911 in the United States. It transformed public interaction with emergency services, offering a streamlined and universally accessible method for summoning immediate help.

Over time, the effectiveness and efficiency of the emergency telephone number system facilitated improvements in emergency response times and coordination, reinforcing public trust in emergency services. The success and necessity of the 999 system have made it a mainstay of public safety infrastructure in the UK and have had a lasting influence on global emergency communication standards.