The emergency number differs from country to country; it is typically a three-digit number so that it can be easily remembered and dialed quickly. Some countries have a different emergency number for each of the different emergency services; these often differ only by the last digit.What are the different emergency numbers in different countries?
122 – emergency number for specific services in several countries 911 – emergency number in North America and the Philippines 999 – emergency number in many countriesWhen did emergency telephone numbers change in Australia?
Those Norwegian emergency telephone numbers changed in 1994 to 110, 112 and 113 respectively. Before 1969, Australia did not have a national telephone number for emergency services; the police, fire and ambulance services had many telephone numbers, one for each local unit.What was the first emergency number system in the world?
The first emergency number system to be deployed anywhere in the world was in London on 30 June 1937 using the number 999, and this was later extended to cover the entire country. When 999 was dialled, a buzzer sounded and a red light flashed in the exchange to attract an operator's attention.