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 Specs

Data Format - CSV

Comma-Separated Values (CSV) Text File

ZIP Code

Official U.S. Postal Service five digit ZIP Code

District Number

2-digit district number. Notes: ‘98’ is used for U.S. territories such as Guam and the U.S. Virgin Islands which have congressional delegates, but not true representatives. Also, if there is only one district for a state (due to low population, such as Alaska), the district ‘99’ will be used.

City

Primary City for this ZIP Code

County

Primary county for this ZIP Code.

State

Official U.S. Postal Service State Abbreviation

Sequence Number

Rank given to ZIPs with more than one district (primary, secondary, etc)

Rep. First Name

Representative's first name may include middle initials.

Rep. Last Name

Representative's last name may include a suffix such as ‘Jr.’.

Rep. Nickname

Representative's nick name, if applicable.

Vacancy Flag

Contains ‘Y’ if the seat is currently vacant, otherwise ‘N’.

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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Cannot be resold, transferred, or used to compete with GreatData.com (as outlined in our license agreement).

Related Links

Congressional Districts by ZIP Code