Source note · Porting numbers to Microsoft Teams
Numbers that cannot be ported to Calling Plans include data-line numbers (DSL/broadband), Universal International Freephone Numbers (UIFN), numbers that must keep working for fax, and numbers from unsupported countries or regions. UK nongeographic numbers, including the 0843, 0844, 0845, 0870, 0871 and 0872 ranges, are also unsupported.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone - Calling Plans
- Subsystem
- number eligibility
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- What's a port order? - Microsoft Teams — Microsoft · tier 2 current vendor documentation · Numbers eligible for porting > You can't transfer, and UK Note
Cite this note
APA
WarmTransfer. (2026, September 25). Porting numbers to Microsoft Teams: source note teams-number-porting-not-portable. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-number-porting-not-portable
BibTeX
@misc{warmtransfer-claim-teams-number-porting-not-portable,
title = {Porting numbers to Microsoft Teams: source note teams-number-porting-not-portable},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-number-porting-not-portable},
note = {Source note teams-number-porting-not-portable, checked 2026-09-25}
}