NALENND NPA NXX Database

NALENND™

Wireless Block Identifier Database


Produced: on or before 5th calendar day monthly
Current Release: June 5, 2013
Distribution Frequency: monthly
Distribution Format: Internet download

The NALENND™ wireless block identifier database is used to identify United States and Canadian telephone numbers as wireless or landline based on current telecom carrier block assignments. Updated monthly, the database lists all active telephone Area Codes (NPA) and Exchange Prefixes (NXX) at the thousands block level with each block representing 1,000 telephone numbers and identifies each block as either wireless (cellular) or landline.

This data provides a first step for those applications seeking U.S. FCC TCPA compliance. These wireless do not call rules prohibit the initiation of telephone calls using automatic telephone dialing systems or an artificial or prerecorded voice to telephone numbers assigned to a paging service, cellular telephone service, specialized mobile radio service, or other radio common carrier service, or any service for which the called party is charged for the call.

While this database can correctly identify approximately 97% of all telephone numbers as either landline or wireless, both the NALENND™ wireless block identifier database and the Neustar Intermodal Ported Telephone Number database which contains United States nationwide ported telephone numbers that have been moved from landline to wireless and wireless to landline are required for those applications seeking 100% compliance with United States wireless do not call rules.


NALENND™ Wireless Block Identifier Database Editions
Data Field ContentPremium Edition
Data Fields
Standard Edition
Data Fields

 

Ajax Powered
Area Code (NPA)YesYes
Exchange Prefix (NXX)YesYes
1,000 Block IdentifierYesYes
ISO 3166 Country CodeYesNo
State or Province AbbreviationYesNo
Time Zone (UTC)YesNo
Daylight Savings Time (DST)YesNo
Number Type (BLOCKTYPE)YesYes
Standard Edition - Corporate License
Annual subscription - monthly updates
 $845.00

Premium Edition - Corporate License
Annual subscription - monthly updates
 $1,245.00


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