For US ports, changes must be requested at least 2 business days, and cancellations at least 1 business day, before the approved porting date.

Checked 2026-09-25

Vendor
Microsoft
Product
Microsoft Teams Phone - Calling Plans
Subsystem
porting timelines
Deployment
multi-tenant
Region
us
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Porting numbers to Microsoft Teams: source note teams-number-porting-us-change-cancel. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-number-porting-us-change-cancel

BibTeX

@misc{warmtransfer-claim-teams-number-porting-us-change-cancel,
  title  = {Porting numbers to Microsoft Teams: source note teams-number-porting-us-change-cancel},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-number-porting-us-change-cancel},
  note   = {Source note teams-number-porting-us-change-cancel, checked 2026-09-25}
}

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