Congressional District by ZIP Code

Congressional Districts by ZIP Code

The product associates a 5-digit ZIP Code to one or more Congressional Districts. About 15% of ZIP Codes have more than one district.

Note: If you’re familiar with this data, you’ll know that all providers start with a database from the U.S. Postal Service which contains substantial inaccuracies at times. Rest assured, we have processes in place to catch and override these inaccuracies. Please contact us if interested in further info.

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 Congressional District by ZIP Code Product Documentation   /   Watch our Accuracy Matters video

Database Sources

We are licensees of USPS database products, but we enhance our database 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).

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Related Links

Congressional Districts ZIP + 4   (broken down by 9-digit ZIP Code)