NALENND™ NPA NXX to Zip Code Database

This comprehensive NPA NXX to ZIP Code database provides the solution to a common problem, where can I get a list of all ZIP Codes for an NPA NXX?

United States NPA NXX Telephone Area Codes and Exchanges to 5-digit ZIP Code cross reference. This comprehensive NPA NXX to ZIP Code database provides the solution to a common problem, where can I get a list of all ZIP Codes for an NPA NXX?

You can use this data for many purposes but the two most common uses are; finding all telephone exchanges in a particular ZIP Code and finding all ZIP Codes used in a particular telephone exchange.

NPA NXX to ZIP Code Record Layout

NPA NXX/ZIP Code master file		NPA NXX/ZIP Code data samples
Field Name	Data Type	Description
NPA	CHAR (3)	The 3-Digit area code.
NXX	CHAR (3)	The 3-digit exchange prefix.
ZIP	CHAR (5)	5-Digit United States ZIP Code.
STATE	CHAR (2)	Two character state abbreviation.
CITY	VARCHAR (128)	Name of city or locale identified by the 5-digit Zip code.
RC	CHAR (10)	LERG abbreviation of the rate center identified by the NPA NXX combination.