E.164�:�The international public telecommunication numbering plan

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E.164�:�The international public telecommunication numbering plan �

Recommendation E.164

Replaces former E.163 numbering plan

In force components
Number	Title	Status
E.164 (11/10) �	The international public telecommunication numbering plan �	In force
E.164 (2010) Amd. 1 (06/11) �	Revised Annex A: Clarification and explanation of the structure and function of international ITU-T E.164-numbers �	In force
E.164 Supplement 1 (03/98) �	Alternatives for carrier selection and network identification �	In force
E.164 (2010) Supplement 2 (06/20) �	Number portability �	In force
E.164 Supplement 3 (05/04) �	Operational and administrative issues associated with national implementations of the ENUM functions �	In force
E.164 Supplement 3 Amendment 1 (11/09) �	�	In force
E.164 Supplement 4 (05/04) �	Operational and administrative issues associated with the implementation of ENUM for non-geographic country codes �	In force
E.164 Supplement 4 Amendment 1 (11/09) �	�	In force
E.164 Supplement 5 (11/09) �	Guidance with regard to the selection of numbers for helplines for children �	In force
E.164 (2010) Supplement 6 (03/12) �	Guidelines for identifying and selecting globally harmonized numbers �	In force
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Superseded and Withdrawn components
Number	Title	Status
E.164/I.331/Q.11bis (11/88) �	Numbering plan for the ISDN era � This Recommendation is also included but not published in I series under alias number I.331	Superseded
E.164/I.331/Q.11bis (08/91) �	Numbering plan for the ISDN era � This Recommendation is also included but not published in I series under alias number I.331. It replaces former E.163 numbering plan	Superseded
E.164 (05/97) �	The international public telecommunication numbering plan � This Recommendation is also included but not published in I series under alias number I.331. It replaces former E.163 numbering plan	Superseded
E.164 Supplement 2 (11/98) �	Number Portability �	Superseded
E.164 Supplement 3 (05/02) �	Operational and administrative issues associated with national implementations of the ENUM functions �	Superseded
E.164 Supplement 4 (05/03) �	Operational and administrative issues associated with the implementation of ENUM for non-geographic country codes �	Superseded
E.164 (02/05) �	The international public telecommunication numbering plan �	Superseded
E.164 Supplement 2 (11/09) �	Number portability �	Superseded
E.164 (2010) Supplement 2 (03/12) �	Number portability �	Superseded
E.164 Supplement 2 (06/14) �	Number portability �	Superseded
E.164 Supplement 5 (05/08) �	Guidance with regard to the selection of numbers for helplines for children �	Superseded

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