110

Etymology
Like, , etc., selected as a number both fast and easy to call from rotary or touch-tone phones and less likely to be mistakenly dialed.

Proper noun

 * 1) The telephone number for emergency services in Iran.
 * 2) The telephone number for law enforcement in China, Japan, Germany, Indonesia, Latvia, Bolivia, Guatamala, Andorra, Nauru, and the Ivory Coast and on Taiwan.
 * 3) The telephone number for ambulance services in Jamaica, Syria, and Sri Lanka.
 * 4) The telephone number for firefighting assistance in Norway, Jamaica, Suriname, Sri Lanka, Bhutan, and Papua New Guinea.
 * 1) The telephone number for firefighting assistance in Norway, Jamaica, Suriname, Sri Lanka, Bhutan, and Papua New Guinea.

Noun

 * : police, law enforcement