Table of Contents

Zip+4 File
- File Name
  - Build 74 and later
  - Build 73 and prior

Zip+4 File

This ASCII file contains the data that links a ZIP Code that included the plus 4 extension with the state and county served by that Zip+4.

File Name

Build 74 and later

ZipPlus4.txt (provided by KampData)

Build 73 and prior

PLUS4.txt (provided by CCH)

Glossary
KampDatabase Files