e/Trunk prefix

Information
has gloss	eng: A trunk prefix is the number to be dialed in a domestic telephone call, preceding any necessary area codes and subscriber numbers. When the number is called from overseas, the trunk prefix is omitted by the caller. In most countries, such as Australia, Germany and the United Kingdom, the trunk prefix is 0. In the USA and Canada it is 1.
lexicalization	eng: Trunk Prefix
instance of	(noun) the number is used in calling a particular telephone; "he has an unlisted number" phone number, number, telephone number