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NPA NXX Area Code and Exchange Databases

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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.

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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
LATAYesYesYesYes
Rate Center TypeYesYesYesNo
Number Pooling RequirementsYesYesYesNo
V&H CoordinatesYesYesNoNo
Abbreviated Rate Center NameYesYesNoNo
Full Rate Center NameYesYesYesYes
State or ProvinceYesYesYesYes
CountryYesYesYesYes
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
NECA OCNYesYesYesYes
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.

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Updated: February 2, 2012

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Free NPA NXX Lookup

Enter any United States, Canadian, or Caribbean telephone number, including area code, to look up details about the exchange.