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North American Local Exchange NPA NXX Database™

Powerful North American Numbering Plan telephone "Area Code and Exchange" databases listing all active NPA NXX central office codes for the United States, Canada, and most of the Caribbean.

You can identify the LERG™ assignee or CO code holder for any NPA NXX combination using the NECA assigned OCN company code. You can identify the full wire center name from the COMMON LANGUAGE® CLLI™ switch code. You can calculate distances between rate centers or wire centers using their V&H coordinates. You can identify which rate centers require number pooling. Find all NPA NXX combinations within a LATA including Florida LATA sub zones.

Complete NPA NXX listings at both the 10,000 and 1,000 block level compiled directly from carrier-supplied data and definitive industry sources.

NPA NXX Telecom Database Editions Quick Comparison
Contents Wire Center Rate Center Gold Premium Standard
Priced From $549.95 USD $359.95 USD $129.95 USD $99.95 USD $69.95 USD
Number Plan Area - NPAYesYesYesYesYes
Central Office Code - NXXYesYesYesYesYes
1,000 Block - NPA NXX-XYesYesYesNoNo
Block Pooling IndicatorYesYesYesNoNo
Block ContaminatedYesYesNoNoNo
Telephone Line TypeYesYesYesYesYes

Wire Center, City, or Location NameYesYesYesNoNo
State or ProvinceYesYesYesYesYes
ISO 3166 Country CodeYesYesYesYesYes
Latitude/LongitudeYesYesYesYesNo
ZIP or Postal CodeYesYesYesYesYes
FIPS CodeYesYesYesYesYes
CBSA CodeYesYesYesYesNo
MSA CodeYesYesYesYesNo
PMSA CodeYesYesYesYesNo

Parent (derived from) NPAYesYesYesYesNo
NPA Cross ReferenceYesYesYesYesNo
NPA Overlay/Split TypeYesYesYesYesNo

Carrier OCNYesYesYesNoNo
Overall Carrier OCNYesYesYesNoNo
Carrier ClassificationYesYesYesNoNo
Company NameYesYesYesNoNo
Holding CompanyYesYesNoNoNo
Management CompanyYesYesNoNoNo
Headquarters AddressYesYesNoNoNo

Time ZoneYesYesNoNoNo
Observes Daylight Savings TimeYesYesNoNoNo

LATA name and numberYesYesYesYesNo
Rate Center AbbreviationYesYesNoNoNo
Rate Center Full NameYesYesNoYesYes
Rate Center TypeYesYesNoNoNo
Pooling RequirementsYesYesNoNoNo
Rate Center V&H CoordinatesYesYesNoNoNo

Central Office Switch CLLI™ CodeYesYesYesNoNo
Wire Center V&H CoordinatesYesNoNoNoNo
Central Office FeaturesYesNoNoNoNo
NPA NXX Area Code and Exchange Databases

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Updated: July 6, 2008

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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.