Source note · ALI databases and MSAG address validation
NENA defines an ESN as a 3-5 digit number that represents one or more ESZs, and distinguishes Administrative ESNs from Routing ESNs.
Checked 2026-10-14
A 3–5 digit number that represents one or more ESZs
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- legacy E9-1-1 data
- Deployment
- legacy-e911
- Region
- us
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- ESN (Emergency Service Number) — NENA (National Emergency Number Association) · tier 1 standards and regulators · ESN (Emergency Service Number), definition
Cite this note
APA
WarmTransfer. (2026, October 14). ALI databases and MSAG address validation: source note ali-msag-location-provisioning-nena-esn-def. WarmTransfer. https://warmtransfer.net/knowledge/claims/ali-msag-location-provisioning-nena-esn-def
BibTeX
@misc{warmtransfer-claim-ali-msag-location-provisioning-nena-esn-def,
title = {ALI databases and MSAG address validation: source note ali-msag-location-provisioning-nena-esn-def},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ali-msag-location-provisioning-nena-esn-def},
note = {Source note ali-msag-location-provisioning-nena-esn-def, checked 2026-10-14}
}