To direct the United States Postal Service to designate a single, unique ZIP Code for Eastvale, California.

HR 1225 directs the U.S. Postal Service to assign Eastvale, California, a single, unique ZIP code within 180 days of the bill's enactment. This would replace any shared ZIP codes currently used for Eastvale, directly affecting residents and businesses in the area by improving mail delivery accuracy and reducing confusion. The bill is procedural, requiring no new taxes or regulations, and focuses solely on updating postal service infrastructure for Eastvale.