This bill mandates the United States Postal Service (USPS) to designate a single, unique ZIP Code for a specific list of communities. The USPS is required to complete this designation within 270 days following the bill's enactment, ensuring timely implementation of the new postal identifiers. The legislation explicitly names 69 communities across 18 different states that will receive their own distinct ZIP Codes. These communities span various regions, from Canyon Lake, California, to Rochester, Wisconsin, and include places like Louisiana State University in Baton Rouge. The primary goal is to provide each of these specified locations with a unique postal identity, potentially enhancing local recognition and mail delivery efficiency.