All-number calling
id:
all-number-calling-191-5690273
title:
All-number calling
text:
All-number calling (ANC) is a telephone numbering plan that was introduced into the North American Numbering Plan by the Bell System in the United States starting in 1958 to replace the previous system of using a telephone exchange name as the first part of a telephone number. The plan prescribed the format of a telephone number assigned to subscriber telephones to consist of ten digits, composed from a three-digit area code, a three-digit central office code, and a four-digit station number. Th
brand slug:
wiki
category slug:
encyclopedia
description:
Type of telephone numbering plan in North America
original url:
https://en.wikipedia.org/wiki/All-number_calling
date created:
date modified:
2022-09-30T02:40:48Z
main entity:
{"identifier":"Q4728299","url":"https://www.wikidata.org/entity/Q4728299"}
image:
fields total:
13
integrity:
14