ITU-T E.164

E1042139

ITU-T Recommendation telecommunication numbering standard

ITU-T E.164 is an international telecommunication standard that defines the global format and structure for public telephone numbers to ensure worldwide interoperability.

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Observed surface forms (1)

Surface form	Occurrences
E.164	1

Statements (48)

Predicate	Object
instanceOf	ITU-T Recommendation ⓘ telecommunication numbering standard ⓘ
appliesTo	geographic numbers ⓘ global service numbers ⓘ mobile country codes and networks via associated recommendations ⓘ non-geographic numbers ⓘ shared-cost numbers ⓘ toll-free numbers ⓘ universal international freephone numbers ⓘ
defines	global format for public telephone numbers ⓘ international public telecommunication numbering plan NERFINISHED ⓘ maximum length of international telephone numbers ⓘ
domain	telecommunication numbering ⓘ
ensures	uniqueness of international telephone numbers ⓘ worldwide interoperability of telephone numbers ⓘ
excludes	international prefix in the E.164 number ⓘ trunk prefix in the E.164 number ⓘ
formatExample	+CC NDC SN ⓘ
includes	country code ⓘ national destination code ⓘ subscriber number ⓘ
maintainedBy	ITU-T Study Group 2 NERFINISHED ⓘ
maximumDigits	15 ⓘ
numberingPlanType	closed numbering plan GENERATED ⓘ
objective	facilitation of global call routing ⓘ harmonization of international numbering ⓘ
publishedBy	International Telecommunication Union NERFINISHED ⓘ
relatedTo	E.164.1 NERFINISHED ⓘ E.164.2 NERFINISHED ⓘ E.164.3 NERFINISHED ⓘ E.164.4 ⓘ ITU-T E.163 NERFINISHED ⓘ
scope	international telephone service ⓘ public telecommunication services ⓘ
sector	ITU-T NERFINISHED ⓘ
status	in force ⓘ
usedBy	VoIP service providers ⓘ mobile network operators ⓘ national numbering plans ⓘ regulators for numbering policy ⓘ telecommunication operators ⓘ
usedFor	ENUM mapping to DNS ⓘ ISDN numbering ⓘ PSTN numbering ⓘ SIP-based telephony addressing ⓘ VoIP telephone numbering ⓘ mobile telephone numbering ⓘ
usesPrefix	plus sign for international format ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

German telephone numbering plan → standardReference → ITU-T E.164 ⓘ

North American Numbering Plan → relatedStandard → ITU-T E.164 ⓘ

this entity surface form: E.164