Small providers, as described in the 2009 LNP Porting Interval Order, had to comply with 47 CFR 52.35 by February 2, 2011.

Checked 2026-09-24

Vendor
not restricted
Product
not restricted
Subsystem
porting-interval
Deployment
pstn
Region
us
Release range
historical compliance date
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Number porting and LNP workflows: source note number-porting-us-small-provider-deadline. WarmTransfer. https://warmtransfer.net/knowledge/claims/number-porting-us-small-provider-deadline

BibTeX

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

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