NPA-NXX (telephone area code)
GPTKB entity
Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telephone numbering format
|
| gptkbp:composedOf |
gptkb:NPA
NXX |
| gptkbp:format |
NPA-NXX-XXXX
|
| gptkbp:governedBy |
North American Numbering Plan Administration
|
| https://www.w3.org/2000/01/rdf-schema#label |
NPA-NXX (telephone area code)
|
| gptkbp:introduced |
1947
|
| gptkbp:NPA |
3 digits
|
| gptkbp:NPAexamples |
212
|
| gptkbp:NPAstandsFor |
Numbering Plan Area
|
| gptkbp:NXX |
3 digits
|
| gptkbp:NXXexamples |
555
|
| gptkbp:NXXstandsFor |
Central Office Code
|
| gptkbp:purpose |
identifies telephone exchanges
|
| gptkbp:region |
gptkb:Canada
gptkb:Caribbean gptkb:United_States |
| gptkbp:relatedTo |
area code
telephone number |
| gptkbp:usedFor |
routing telephone calls
|
| gptkbp:usedIn |
gptkb:North_American_Numbering_Plan
|
| gptkbp:bfsParent |
gptkb:ZIP_Code_system
|
| gptkbp:bfsLayer |
7
|