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.
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Congressional Districts by ZIP Code