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North American Area Codes

Directory

Comprehensive coverage of every North American Area Code. Includes: Area Code (NPA), time zone information, coverage area, ISO 3166 country code, parent area code, local dialing patterns, type of area code, is an overlay code, codes involved in overlay or split.

Complete coverage of all area codes in use, assigned, or available for use. Each record contains the data fields described below.

Sample area code assignment records.


North American Area Codes Directory Record Layout
FieldField Description
NPA 3-Digit North American Area Code
TYPE Basic area code type.
  • G - Geographic type area code
  • E - Non-geographic type area code
GMT North American Time Zone. Multiple time zones for a single area code are delimited with a semi-colon.
  • NT - Newfoundland UTC -3:30 hours
  • AT - Atlantic UTC -4 hours
  • ET - Eastern UTC -5 hours
  • CT - Central UTC -6 hours
  • MT - Mountain UTC -7 hours
  • PT - Pacific UTC -8 hours
  • AK - Alaskan UTC -9 hours
  • HT - Hawaiian-Aleutian UTC -10 hours
  • AS - Samoa UTC -11 (American Samoa)
  • CH - Chamorro UTC +10 (Guam and Northern Mariana Islands)
LOCALDIAL Local dialing pattern(s) used in this area code.
NOTEAdditional notes regarding local dialing patterns for this area code.
LOCATION General location or service description for the area code.
STATEState or province abbreviation
STATENAME Full name of state or province
COUNTRYISO 3166 two character country code

  • US - United States
  • CA - Canada
  • BS - Bahamas
  • BB - Barbados
  • AI - Anguilla
  • AG - Antigua and Barbuda
  • VG - Virgin Islands, British
  • KY - Cayman Islands
  • BM - Bermuda
  • GD - Grenada
  • TC - Turks and Caicos Islands
  • MS - Montserrat
  • LC - Saint Lucia
  • DM - Dominica
  • VC - Saint Vincent and the Grenadines
  • DO - Dominican Republic
  • TT - Trinidad and Tobago
  • KN - Saint Kitts and Nevis
  • JM - Jamaica
USE Describes how the area code is used.
  • G Geographic
  • E Expansion Code
  • N Non-Geographic or Service
  • N11 Service
RESERVED Area Code is reserved Y/N
ASSIGNABLE Area Code is assignable Y/N
ASSIGNED Area Code is assigned Y/N
INSERVICE Area Code is in service Y/N
STATUS Area Code status if assigned and not in service
PLANLETTER NANPA planning letters numbers for documents related to the the administration of this area code.
SERVICEDATE Date area code placed in to service
OVERLAY Area code is part of an overlay Y/N
COMPLEXArea codes involved in the overlay
PARENT Parent area code
INJEOPARDYArea code is in jeopardy of exhaustion Y/N
DECLARED Date exhaustion jeopardy declared