Area code

Non geographic

Name: Area code 543 — numbering facts
Creator: NumberResearch.org
License: https://creativecommons.org/licenses/by/4.0/

Non geographic code.

Statusplanned

Last verified2026-09-17

Change history

Recorded events for this NPA

Primary documents

NANPA planning letters for area code 543
Date	Document	Subject
2026-07-16	PL-636 ↗	Assignment of NPA 543 for Non-Geographic Services