FAQs#
General#
What is the County-ZIP Database?#
The County-ZIP Code Database lists all ZIP codes and counties in the United States and its territories to which the US Postal Service (USPS) delivers mail.
How often is County-ZIP Database updated?#
Monthly
What data source(s) does County-ZIP Database use?#
USPS
Where can I find the product homepage?#
Where can I find the product release notes?#
https://releasenotes.melissa.com/reference-data/county-zip-code/
Where can I find the product documentation?#
https://docs.melissa.com/reference-data/county-zip-code/county-zip-code-index.html
Where can I find the product sample files?#
Where can I find information to automate updates?#
Specific#
How many fields are in this database?#
County, ZIP, Type, FIPS, City, ST, Addr Cnt, Prev?, Mult?
How is this product sorted?#
County-ZIP Code Database data records are sorted in ascending order by ZIP code.