Source note · ALI databases and MSAG address validation
An address that is deliverable by USPS can still fail MSAG validation, so postal validation alone is not evidence that a 911 address will provision correctly.
inferred · Checked 2026-10-14
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- emergency address
- Deployment
- multi-tenant, on-premises
- Region
- us
- Release range
- current as of 2026-10-14
- Status
- inferred
- Checked
- 2026-10-14
Sources
- Emergency Calling for SIP Interfaces — Twilio · tier 2 current vendor documentation · Emergency Calling for SIP Interfaces, MSAG vs USPS note
Cite this note
APA
WarmTransfer. (2026, October 14). ALI databases and MSAG address validation: source note ali-msag-location-provisioning-postal-not-enough. WarmTransfer. https://warmtransfer.net/knowledge/claims/ali-msag-location-provisioning-postal-not-enough
BibTeX
@misc{warmtransfer-claim-ali-msag-location-provisioning-postal-not-enough,
title = {ALI databases and MSAG address validation: source note ali-msag-location-provisioning-postal-not-enough},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ali-msag-location-provisioning-postal-not-enough},
note = {Source note ali-msag-location-provisioning-postal-not-enough, checked 2026-10-14}
}