Under 47 CFR 9.3, alternative location information is location information, which may be coordinate-based, sufficient to identify the caller's civic address and approximate in-building location including floor level in large buildings.

Checked 2026-10-01

Vendor
not restricted
Product
not restricted
Subsystem
FCC 911 rules
Deployment
regulatory
Region
us
Release range
CFR edition revised as of 2024-10-01
Checked
2026-10-01

Sources

Cite this note

APA

WarmTransfer. (2026, October 1). Troubleshooting 911 calls that route with the wrong location: source note e911-routing-failures-cfr-alt-location-info-def. WarmTransfer. https://warmtransfer.net/knowledge/claims/e911-routing-failures-cfr-alt-location-info-def

BibTeX

@misc{warmtransfer-claim-e911-routing-failures-cfr-alt-location-info-def,
  title  = {Troubleshooting 911 calls that route with the wrong location: source note e911-routing-failures-cfr-alt-location-info-def},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/e911-routing-failures-cfr-alt-location-info-def},
  note   = {Source note e911-routing-failures-cfr-alt-location-info-def, checked 2026-10-01}
}

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