Microsoft allows a tenant as many user (subscriber) numbers as its Domestic and International Calling Plan licenses times 1.1, plus 10, plus one per pay-as-you-go license. Ported numbers do not count toward this limit.

Checked 2026-09-25

Vendor
Microsoft
Product
Teams Phone - Microsoft Calling Plans
Subsystem
number acquisition
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). International phone number requirements: source note international-number-requirements-ms-user-number-quota. WarmTransfer. https://warmtransfer.net/knowledge/claims/international-number-requirements-ms-user-number-quota

BibTeX

@misc{warmtransfer-claim-international-number-requirements-ms-user-number-quota,
  title  = {International phone number requirements: source note international-number-requirements-ms-user-number-quota},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/international-number-requirements-ms-user-number-quota},
  note   = {Source note international-number-requirements-ms-user-number-quota, checked 2026-09-25}
}

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