NPA NXX Databases

Wireless Block Identifier - Telemarketing Data

These Wireless Block Identifier databases are used to effectively identify every cellular, paging, and landline telephone exchange within the United States, Canada, and all Caribbean nations participating in the North American Numbering Plan.

Updated monthly, practical use of this data includes call center operations, phone number verification, time zone identification by telephone area code and exchange, database wireless number suppression, automated/predictive dialer setup and similar type applications.

Wireless Block Identifier

	Premium Edition	Standard Edition
	Record layout	Record layout
NXX (Exchange)	Yes	Yes
NPA (Area Code)	Yes	Yes
NXX (Exchange)	Yes	Yes
1,000 Block	Yes	Yes
Country	Yes	No
State	Yes	No
Time Zone	Yes	No
DST	Yes	No
NXX Type	Yes	Yes