ZIP Codes by County
- Get a list of all the ZIP Codes in a County
- Includes Puerto Rico, Guam, American Samoa, Micronesia.
- Percent of addresses in each ZIP Code with the County
- NCOA Processing in Listware for Excel, SalesForce & Online.
Latest version of Listware now includes USPS approved National Change of Address (NCOA). Free trial. Learn More.