117th Congressional Districts ZIP Plus 4

Includes Representative Names and Information

This product provides a current listing of 117th Congressional Districts by 9-digit ZIP Code. Sometimes a regular 5-digit ZIP Code spans more than one Congressional District, so using the 9-digit ZIP+4 adds a level of precision not otherwise found. The foundation of this product is true commercial grade ZIP+4 data. From there we utilize multiple sources – including our own plotting when necessary – to obtain a complete and accurate 9-digit ZIP Code to Congressional District relationship. Plus, we add some extras such as congressional representatives by name, primary county, primary city, etc.
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Congressional Districts ZIP+4

For extreme precision, use 9-digit ZIP Codes for determining Congressional Districts. For Example:
ZIP 12345-0001 - 12345-5999 is in District 1
ZIP 12345-6000 - 12345-9999 is in District 2

The following files are included with this product:

Districts-full - Congressional District by ZIP Code with corresponding district information.
Reps-full - Congressional Representative name and contact information.

Learn more: view the Product Documentation / Watch our Accuracy Matters video

Database Sources

We are licensees of USPS database products, but we enhance our databases based on decades of experience to provide you with the most accurate product available.

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Related Links

Congressional Districts by ZIP Code

Database Specs

Immediate Download
Quarterly Updates
Free FTP/SFTP (upon request)
Data Format - CSV
ZIP Code
District Number
City
County
State
Sequence Number
Rep. First Name
Rep. Last Name
Rep. Nickname
Vacancy Flag