NPA NXX Databases

North American Telephone Area Codes
and Local Exchange Prefixes


Mid-Atlantic Wire Center Locations
Mid-Atlantic Wire Center Locations

These data sets include the telecom geography required to give you a total picture of the entire North American Public Switched Telephone Network.

The data you need to identify all active NPA NXX combinations, where the local exchanges and their serving wire centers or central offices are located. Determine what LATA a rate center is in, what time zone is it in, who the carrier is and more.

These products contain well researched, cross-referenced telecom industry data, collected and compiled from first-hand data sources. They are delivered in ASCII text, CSV format and will require basic data processing knowledge to use them effectively.


Last Update: April 6, 2008 Wire Center Rate Center Platinum Gold Premium Standard
  Wire Center Rate Center Platinum Gold Premium Standard
Database Pricing
Workstation License $549.95
Platinum Wire Edition, Workstation License		 $359.95
Platinum Rate Edition, Workstation License		 $169.95
Platinum Edition, Workstation License		 $129.95
Gold Edition, Workstation License		 $99.95
Premium Edition, Workstation License		 $69.95
Standard Edition, Workstation License
Corporate License
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for one year.		 $2,099.95
Platinum Wire Edition, Corporate License		 $1,899.95
Platinum Rate Edition, Corporate License		 $1,499.95
Platinum Edition, Corporate License		 $1,149.95
Gold Edition, Corporate License		 $879.95
Premium Edition, Corporate License		 $799.95
Standard Edition, Corporate License
Distribution License
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for one year.		 $2,799.95
Platinum Wire Edition, Corporate License		 $2,599.95
Platinum Rate Edition, Corporate License		 $2,179.95
Platinum Edition, Corporate License		 $1,899.95
Gold Edition, Corporate License		 $1,639.95
Premium Edition, Corporate License		 $1,499.95
Standard Edition, Corporate License
General Exchange Related Data Fields
Number Plan Area - NPA Yes Yes Yes Yes Yes Yes
Central Office Code - NXX Yes Yes Yes Yes Yes Yes
1,000 Block - NPA NXX-X Yes Yes Yes Yes No No
Block Pooling Indicator Yes Yes Yes Yes No No
Block Contaminated Yes Yes Yes No No No
Telephone Line Type Yes Yes Yes Yes Yes Yes
Location Related Data Fields
Wire Center, City, or Location Name Yes Yes Yes Yes No No
State or Province Yes Yes Yes Yes Yes Yes
ISO 3166 Country Code Yes Yes Yes Yes Yes Yes
Latitude/Longitude Yes Yes Yes Yes Yes No
ZIP or Postal Code Yes Yes Yes Yes Yes Yes
FIPS Code Yes Yes Yes Yes Yes Yes
CBSA Code Yes Yes Yes Yes Yes No
MSA Code Yes Yes Yes Yes Yes No
PMSA Code Yes Yes Yes Yes Yes No
Area Code Split-Overlay Related Data Fields
Parent (derived from) NPA Yes Yes Yes Yes Yes No
NPA Cross Reference Yes Yes Yes Yes Yes No
NPA Overlay/Split Type Yes Yes Yes Yes Yes No
Carrier Related Data Fields
Carrier OCN Yes Yes Yes Yes No No
Overall Carrier OCN Yes Yes Yes Yes No No
Classification RBOC, ILEC, CLEC, Wireless, etc. Yes Yes Yes Yes No No
Company Name Yes Yes Yes Yes No No
Holding Company Yes Yes Yes No No No
Management Company Yes Yes No No No No
Headquarters Address Yes Yes No No No No
Time Zone Related Data Fields
Time Zone Yes Yes Yes No No No
Observes Daylight Savings Time Yes Yes Yes No No No
Rate Center Related Data Fields
Local Access and Transport Area LATA Yes Yes Yes Yes Yes No
Abbreviated Name Yes Yes Yes No No No
Full Name Yes Yes No No Yes Yes
Type Yes Yes Yes No No No
Pooling Requirements Yes Yes Yes No No No
V&H Coordinates Yes Yes No No No No
Wire Center Related Data Fields
Common Language Location Identifier CLLI™ Code Yes Yes Yes Yes No No
V&H Coordinates Yes No No No No No
Central Office Features Yes No No No No No

Product Details

Licensing Information

NPA NXX Lookup

To perform a look up enter the 3-digit area code (NPA) and the 3-digit exchange (NXX) you wish to query. Optionally, enter at least the first digit of the subscriber number to perform a 1,000 block level query.