Emergency telephone number

emergency callemergency numberemergency callsnational emergency number110112emergency numbers1-1-0911emergency
In many countries the public switched telephone network has a single emergency telephone number (sometimes known as the universal emergency telephone number or the emergency services number) that allows a caller to contact local emergency services for assistance.wikipedia
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List of emergency telephone numbers

Dial 100' service centreemergency telephone numbershotline" telephone numbers
See List of emergency telephone numbers.
Emergency telephone numbers are short, mostly three-digit numbers that can be easily remembered and quickly dialed.

Emergency service

emergency servicesemergency responseemergency responders
In many countries the public switched telephone network has a single emergency telephone number (sometimes known as the universal emergency telephone number or the emergency services number) that allows a caller to contact local emergency services for assistance.
Emergency services have one or more dedicated emergency telephone numbers reserved for critical emergency calls.

Emergency medical services

EMSemergency medical serviceambulance service
The nature of the emergency (police, fire, medical) is then determined.
In most places, the EMS can be summoned by members of the public (as well as medical facilities, other emergency services, businesses and authorities) via an emergency telephone number which puts them in contact with a control facility, which will then dispatch a suitable resource to deal with the situation.

Enhanced 9-1-1

E911enhanced 911Wireless Enhanced 911
Enhanced 911 and similar systems like E112 can provide the location of landline callers by looking up the physical address in a database, and mobile callers through triangulation from towers or GPS on the device.
911 is the universal emergency telephone number in the region.

111 (emergency telephone number)

1111-1-11-1-1 emergency telephone number
An example of this was Auckland, New Zealand, before the introduction of 111 in the 1960s – the city had 40 exchanges, all with different emergency numbers, and finding the telephone number for the local exchange would require having to search through the city's 500-page telephone directory.
111 (usually pronounced one-one-one) is the emergency telephone number in New Zealand.

Police

policingpolice forcepolice department
The nature of the emergency (police, fire, medical) is then determined.
Their main duty is to respond to calls to the emergency telephone number.

112 (emergency telephone number)

1121-1-2112 emergency number
Enhanced 911 and similar systems like E112 can provide the location of landline callers by looking up the physical address in a database, and mobile callers through triangulation from towers or GPS on the device. Most GSM mobile phones have 112, 999 and 911 as pre-programmed emergency numbers that are always available.
112 is the common emergency telephone number that can be dialed free of charge from most mobile telephones and, in some countries, fixed telephones in order to reach emergency services (ambulance, fire and rescue, police).

999 (emergency telephone number)

9999-9-9999 call
Most GSM mobile phones have 112, 999 and 911 as pre-programmed emergency numbers that are always available.
999 is an official emergency telephone number in a number of countries which allows the caller to contact emergency services for urgent assistance.

9-1-1

911911 call9-1-1 call
Most GSM mobile phones have 112, 999 and 911 as pre-programmed emergency numbers that are always available.
9-1-1, also written 911, is an emergency telephone number for the North American Numbering Plan (NANP), one of eight N11 codes.

North American Numbering Plan

Area codeArea codesArea code(s)
However, 911 systems were not in widespread use until the 1980s when the number 911 was adopted as the standard number across most of the country under the North American Numbering Plan.
911 – Emergency telephone number – fire department, medical emergency, police.

National Emergency Number Association

National Emergency Number Association (NENA)
The National Emergency Number Association (NENA) is an organization whose mission it is to foster the technological advancement, availability, and implementation of a universal emergency telephone number system in the United States.

Pocket dialing

pocket dialpocket diallingaccidentally called
Since mobile phones are typically carried in pockets and small bags, the keys can easily be depressed accidentally, leading to unintended calls.
Operators of emergency services telephone numbers, such as 911 and 999, report receiving many false alarms that are likely a result of pocket dialing.

Distress signal

distress calldistressdistress signals
Distress signal
Emergency telephone number

Emergency telephone

emergency phoneemergency phonesBlue Light Phones
Emergency telephone
Emergency telephone number

Public switched telephone network

PSTNtelephone networkpublic telephone network
In many countries the public switched telephone network has a single emergency telephone number (sometimes known as the universal emergency telephone number or the emergency services number) that allows a caller to contact local emergency services for assistance.

Switchboard operator

telephone operatoroperatoroperators
An emergency telephone number call may be answered by either a telephone operator or an emergency service dispatcher.

Dispatcher

Central Dispatcherdispatch911 operator
An emergency telephone number call may be answered by either a telephone operator or an emergency service dispatcher.

Firefighter

firefightersfiremanfiremen
The nature of the emergency (police, fire, medical) is then determined.

Computer-aided call handling

computer aided call handling
Emergency dispatchers are trained to control the call in order to provide help in an appropriate manner; they can be assisted by computer aided call handling systems (CACH).

First aid

first-aidmedical attentionfirst aider
Some dispatchers have special training in telling people how to perform first aid or CPR.

Cardiopulmonary resuscitation

CPRresuscitationresuscitated
Some dispatchers have special training in telling people how to perform first aid or CPR.

Caller ID

caller line identificationCLIcall display
This is normally done using the system that the telephone company uses to bill calls, making the number visible even for users who have unlisted numbers or who block caller ID.

Global Positioning System

GPSGlobal Positioning System (GPS)global positioning systems
Enhanced 911 and similar systems like E112 can provide the location of landline callers by looking up the physical address in a database, and mobile callers through triangulation from towers or GPS on the device.

Auckland

Auckland, New ZealandAuckland CityAuckland Central
An example of this was Auckland, New Zealand, before the introduction of 111 in the 1960s – the city had 40 exchanges, all with different emergency numbers, and finding the telephone number for the local exchange would require having to search through the city's 500-page telephone directory.

New Zealand

🇳🇿NZLNZ
An example of this was Auckland, New Zealand, before the introduction of 111 in the 1960s – the city had 40 exchanges, all with different emergency numbers, and finding the telephone number for the local exchange would require having to search through the city's 500-page telephone directory.