Microsoft's US minimum lead time (five days) and recommended 15-business-day target date are well beyond the one-business-day regulatory interval for simple ports. The regulatory interval covers carrier-to-carrier completion after a valid request and does not set how far ahead Microsoft lets customers schedule.

inferred · 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
Status
inferred
Checked
2026-09-25

Sources

Cite this note

APA

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

BibTeX

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

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