NPA NXX Area Code and Exchange Databases

Produced: on or before 5th calendar day monthly
Current Release: June 4, 2024
Distribution Frequency: monthly or quarterly (issue date: January, April, July, October)
Distribution Format: Internet download

NPA NXX Databases compiled from definitive industry and regulatory sources. Updated monthly providing current telephone area code prefix and exchange numbering assignments and associated carrier data.

Full coverage of the North American Numbering Plan which includes the United States and its territories, Canada, Bermuda, Anguilla, Antigua & Barbuda, the Bahamas, Barbados, the British Virgin Islands, the Cayman Islands, Dominica, the Dominican Republic, Grenada, Jamaica, Montserrat, Sint Maarten, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Trinidad and Tobago, and Turks & Caicos.

These data products are suitable for use in a variety of applications such as; call routing and rating, CDR processing and analysis, juridictional traffic analysis, TCPA and wireless-do-not-call compliance, caller id systems, telephone exchange validation, and so on.

North American Local Exchange NPA NXX Database™ Editions
  Wire Center
Rate Center
  Download Sample Data Download Sample Data Download Sample Data Download Sample Data
Corporate License
Single Release
Corporate License
Annual subscription - quarterly updates.
Distribution License
Annual subscription - quarterly updates.
NPA (Area Code)YesYesYesYes
NXX (Exchange)YesYesYesYes
1,000 BlockYesYesYesYes
Pooling IndicatorYesYesYesYes
Block ContaminatedYesYesYesNo
NXX Line Type (wireless/landline)YesYesYesYes
Disconnect IndicatorYesNoNoNo
Assignment DateYesNoNoNo
Effective DateYesNoNoNo
Rate Center - Rate Exchange Area Information
Local Interconnection RegionYesYesYesYes
Rate Center TypeYesYesYesNo
Number Pooling RequirementsYesYesYesNo
V&H CoordinatesYesYesNoNo
Abbreviated Rate Center NameYesYesNoNo
Full Rate Center NameYesYesYesYes
State or ProvinceYesYesYesYes
Time ZoneYesYesYesNo
Latitude and LongitudeYesYesYesYes
ZIP or Postal Codes1YesYesYesYes
County or County Equivalent Codes2YesYesYesYes
Metropolitan Statistical Area Codes3YesYesYesYes
Major Trading Area (MTA)YesYesNoNo
Basic Trading Area (BTA)YesYesNoNo
Wire Center Information
Wire Center NameYesYesYesNo
V&H CoordinatesYesNoNoNo
Switch CLLI™ CodeYesYesYesYes
Central Office FeaturesYesNoNoNo
Carrier Information
OCN TypeYesYesYesYes
Company NameYesYesYesYes
Holding or Management CompanyYesYesYesNo
Headquarters AddressYesYesNoNo
Area Code Split-Overlay Information
Original or Parent NPAYesYesYesYes
NPA Cross ReferenceYesYesYesYes
NPA Overlay-Split TypeYesYesYesYes

1 Each NPA NXX record may contain up to four U.S. Zip codes or four Canadian Postal FSA codes.
2 U.S. FIPS county codes or Canadian Census Division codes.
3 U.S. CBSA codes or Statistics Canada CMA/CA codes.