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Code purple: hostage situation; Code red: fire; Code white: violence/aggression; Code yellow: missing patient; Code 66: rapid medical intervention to prevent the patient deteriorating; British Columbia. Codes used in British Columbia, prescribed by the British Columbia Ministry of Health. Code amber: missing or abducted infant or child
This is a list of telephone dialling codes in the United Kingdom, which adopts an open telephone numbering plan for its public switched telephone network. The national telephone numbering plan is maintained by Ofcom, an independent regulator and competition authority for the UK communications industries. This list is based on the official ...
In the UK, only blue lights are used to denote emergency vehicles (although other colours may be used as sidelights, stop indicators, etc.). A call requiring the use of lights and sirens is often colloquially known as a blue light run. Australia. Code 1: A time critical case with a lights and sirens ambulance response. An example is a cardiac ...
This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, only the symbol + before the country code may be used [citation needed] irrespective of where the telephone is used at that moment; the ...
Number ranges starting 01 can have National Significant Number (NSN) length of 10 or (very rarely) 9 digits. NSN is the number of digits after the leading 0 trunk code or +44 international prefix. The 0800 range can have NSN length as 10, 9, or 7 digits. The 0845 range can have NSN length as 10 or 7 digits.
Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
An "international call prefix", "international dial-out code" or "international direct dial code" ( IDD code) is a trunk prefix that indicates an international phone call. In the dialling sequence, the prefix precedes the country calling code (and, further, the carrier code, if any, and the destination telephone number ).
According to Ofcom, [72] UK consumers paid around £1.9 billion for calls to non-geographic numbers in 2009. Clients are attracted to 084 and 087 numbers because per minute revenue is generated for them from each call, and call queuing is permitted. Call centres may generate very high revenue from high call volumes.
Widespread UK telephone code misconceptions, in particular brought on by the Big Number Change in 2000, have been reported by regulator Ofcom since publication of a report it commissioned in 2004. The telephone area code for most of Greater London and some surrounding areas is 020, not "0207", "0208" or "0203".
It can be made directly by dialling the country code together with the destination phone number. This is the most expensive way to call internationally, unless a special arrangement is made with the telephone operator. For example, with BT there is an option to add an international add-on to a standard calling plan.