ESN (Emergency Service Number)

Publisher

NENA (National Emergency Number Association)

URL

https://kb.nena.org/wiki/ESN_(Emergency_Service_Number)

Published

2026-05-08

Updated

unknown

Accessed

2026-10-14

HTTP status

200

License

NENA knowledge base; copyright NENA; no-redistribution; short excerpts and locators only

Source notes citing this source

• NENA defines an ESN as a 3-5 digit number that represents one or more ESZs, and distinguishes Administrative ESNs from Routing ESNs. in context

Cite this source record

APA

WarmTransfer. (2026, May 8). ESN (Emergency Service Number). WarmTransfer. https://warmtransfer.net/knowledge/sources/nena-kb-esn-definition

BibTeX

@misc{warmtransfer-nena-kb-esn-definition,
  title  = {ESN (Emergency Service Number)},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/nena-kb-esn-definition},
  note   = {NENA (National Emergency Number Association), accessed 2026-10-14}
}