Source note · E.164 numbering and dial string normalization
libphonenumber provides only the carrier originally assigned a number range, not the current carrier of a ported number.
Checked 2026-09-23
We do not provide data about the current carrier of a phone number, only the original carrier who is assigned the corresponding range.
- Vendor
- Product
- libphonenumber
- Subsystem
- carrier mapping
- Deployment
- library
- Region
- not restricted
- Release range
- master as of 2026-09-23
- Checked
- 2026-09-23
Sources
- google/libphonenumber README — Google · tier 3 vendor-maintained repositories · README, carrier mapping FAQ note
Cite this note
APA
WarmTransfer. (2026, September 23). E.164 numbering and dial string normalization: source note e164-numbering-libphonenumber-carrier-caveat. WarmTransfer. https://warmtransfer.net/knowledge/claims/e164-numbering-libphonenumber-carrier-caveat
BibTeX
@misc{warmtransfer-claim-e164-numbering-libphonenumber-carrier-caveat,
title = {E.164 numbering and dial string normalization: source note e164-numbering-libphonenumber-carrier-caveat},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/e164-numbering-libphonenumber-carrier-caveat},
note = {Source note e164-numbering-libphonenumber-carrier-caveat, checked 2026-09-23}
}