Development of North American Numbering Plan (NANP)
GPTKB entity
Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:historical_event
|
| gptkbp:affectedArea |
gptkb:Canada
gptkb:Caribbean gptkb:U.S._territories gptkb:United_States |
| gptkbp:beganIn |
1940s
|
| gptkbp:developedBy |
gptkb:AT&T
|
| gptkbp:documentedIn |
gptkb:Bell_System_Technical_Journal
|
| gptkbp:enables |
automated call routing
long-distance dialing |
| https://www.w3.org/2000/01/rdf-schema#label |
Development of North American Numbering Plan (NANP)
|
| gptkbp:implementedIn |
1947
|
| gptkbp:influencedBy |
growth of telephone networks
need for scalability |
| gptkbp:precededBy |
operator-assisted calls
|
| gptkbp:purpose |
standardize telephone numbering
|
| gptkbp:relatedTo |
gptkb:North_American_Numbering_Plan
|
| gptkbp:resultedIn |
direct distance dialing
creation of area codes |
| gptkbp:standardizedBy |
10-digit telephone numbers
|
| gptkbp:bfsParent |
gptkb:AT&T_(before_1996)
|
| gptkbp:bfsLayer |
6
|