The E.164 (02/2026) summary defines eight categories of international numbers: Geographic Areas, Global Services, Other Global Services, Global Satellite Services, Networks, Groups of Countries, Trial resources, and IoT/M2M services and applications.

Checked 2026-09-23

Vendor
ITU-T
Product
Recommendation E.164
Subsystem
number categories
Deployment
standard
Region
not restricted
Release range
edition 7
Checked
2026-09-23

Sources

Cite this note

APA

WarmTransfer. (2026, September 23). E.164 numbering and dial string normalization: source note e164-numbering-eight-categories. WarmTransfer. https://warmtransfer.net/knowledge/claims/e164-numbering-eight-categories

BibTeX

@misc{warmtransfer-claim-e164-numbering-eight-categories,
  title  = {E.164 numbering and dial string normalization: source note e164-numbering-eight-categories},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/e164-numbering-eight-categories},
  note   = {Source note e164-numbering-eight-categories, checked 2026-09-23}
}

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