International Telecommunication Union   ITU
Français  Español
 
Site map Contact us Print version
  Home : ITU-T : Publications : Recommendations : I Series : I.331
Recently posted -  Search Recommendations -  Shopping cart
   
I.331 : The international public telecommunication numbering plan

Recommendation I.331

This Recommendation is published under alias number E.164

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 (prepublished)
E.164 Supplement 2 (11/09)
 
Number portability   In force
E.164 Supplement 3 Amendment 1 (11/09)
 
  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
 
 
Superseded and Withdrawn components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Superseded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Superseded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 Supplement 5 (05/08)
 
Guidance with regard to the selection of numbers for helplines for children   Superseded
I.331 (05/97)
 
The international public telecommunication numbering plan  
This Recommendation is published under alias number E.164
Superseded

 

Top -  Feedback -  Contact us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-T Publications
Updated : 2011.11.24