Source note · ALI databases and MSAG address validation
NENA defines an ESZ as a geographic area representing a unique combination of emergency service agencies (law enforcement, fire, EMS) within a 9-1-1 governing authority's jurisdiction, identifiable by an ESN.
Checked 2026-10-14
- 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
- ESZ (Emergency Service Zone) — NENA (National Emergency Number Association) · tier 1 standards and regulators · ESZ (Emergency Service Zone), definition
Cite this note
APA
WarmTransfer. (2026, October 14). ALI databases and MSAG address validation: source note ali-msag-location-provisioning-nena-esz-def. WarmTransfer. https://warmtransfer.net/knowledge/claims/ali-msag-location-provisioning-nena-esz-def
BibTeX
@misc{warmtransfer-claim-ali-msag-location-provisioning-nena-esz-def,
title = {ALI databases and MSAG address validation: source note ali-msag-location-provisioning-nena-esz-def},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ali-msag-location-provisioning-nena-esz-def},
note = {Source note ali-msag-location-provisioning-nena-esz-def, checked 2026-10-14}
}