Microsoft says port requests for the same account number are processed one at a time; overlapping requests on one account cause the losing provider to reject all but the first, or all of them.

Checked 2026-09-24

Vendor
Microsoft
Product
Teams Phone - Microsoft Calling Plans
Subsystem
port-in
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Number porting and LNP workflows: source note number-porting-ms-same-account-serial. WarmTransfer. https://warmtransfer.net/knowledge/claims/number-porting-ms-same-account-serial

BibTeX

@misc{warmtransfer-claim-number-porting-ms-same-account-serial,
  title  = {Number porting and LNP workflows: source note number-porting-ms-same-account-serial},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/number-porting-ms-same-account-serial},
  note   = {Source note number-porting-ms-same-account-serial, checked 2026-09-24}
}

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