North American Numbering Plan

E406618

The North American Numbering Plan is a standardized telephone numbering system that organizes and assigns area codes and phone numbers across the United States, Canada, and several other participating territories.

All labels observed (4)

Label Occurrences
North American Numbering Plan canonical 10
NANP 2
NANP area 1

How this entity was disambiguated

Statements (77)

Predicate Object
instanceOf numbering plan
telecommunications standard
telephone numbering plan
abbreviation North American Numbering Plan self-linksurface differs
surface form: NANP
administeredBy North American Numbering Plan self-linksurface differs
surface form: North American Numbering Plan Administrator
alsoKnownAs North American Numbering Plan
surface form: NANP
countryCoverage Anguilla
Antigua and Barbuda
Aruba
Bahamas
Barbados
Bermuda (United Kingdom)
surface form: Bermuda

Bonaire
British Virgin Islands
Canada
Cayman Islands
Curaçao
Dominica
Dominican Republic
Grenada
Guam
Jamaica
Montserrat
Northern Mariana Islands
Puerto Rico
Saba
Saint Kitts and Nevis
Saint Lucia
Saint Vincent and the Grenadines
Sint Eustatius
Sint Maarten
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States of America
surface form: United States
defines permissible digit patterns for area codes
permissible digit patterns for central office codes
definesComponent Numbering Plan Area code
central office code
station number
definesFormatOf telephone numbers
enables direct distance dialing
toll-free services
geographicScope Caribbean
North America
governsDialingPlanFor country code +1 region
hasFeature shared country code for multiple jurisdictions
uniform 10-digit national numbers
hasRegulatoryBodyInCanada Canadian Radio-television and Telecommunications Commission
hasRegulatoryBodyInUS Federal Communications Commission
includesSpecialServiceCodes 500
600
700
800
833
844
855
866
877
888
900
introducedInYear 1947
originallyDevelopedBy AT&T
American Telephone and Telegraph Company
primaryPurpose to organize and assign telephone numbers in participating countries
regionCode North American Numbering Plan self-linksurface differs
surface form: NANP area
regulates allocation of central office codes
assignment of area codes
relatedStandard ITU-T E.164
surface form: E.164
standardizes area codes
local telephone numbers
supports number portability
overlay area codes
split area codes
usesCountryCode +1
usesNumberingFormat 3-3-4 digit structure
NPA-NXX-XXXX

How these facts were elicited

Referenced by (14)

Full triples — surface form annotated when it differs from this entity's canonical label.

Southwestern Bell telephoneNumberingPlan North American Numbering Plan
Earling, Iowa usesAreaCodeSystem North American Numbering Plan
Kirkman, Iowa telephoneNumberingPlan North American Numbering Plan
GTE South telephoneNumberingPlan North American Numbering Plan
Conroy, Iowa areaCodeSystem North American Numbering Plan
Deep River, Iowa usesAreaCodeSystem North American Numbering Plan
Town of Utica hasAreaCodeSystem North American Numbering Plan
Optimum Voice usesNumberingPlan North American Numbering Plan
Corcoran usesAreaCodeSystem North American Numbering Plan
Ridgeville, South Carolina isInTelephoneNumberingPlan North American Numbering Plan
North American Numbering Plan alsoKnownAs North American Numbering Plan
this entity surface form: NANP
North American Numbering Plan administeredBy North American Numbering Plan self-linksurface differs
this entity surface form: North American Numbering Plan Administrator
North American Numbering Plan abbreviation North American Numbering Plan self-linksurface differs
this entity surface form: NANP
North American Numbering Plan regionCode North American Numbering Plan self-linksurface differs
this entity surface form: NANP area