Editor's note: This article has been updated to read, "Addresses south of Virginia Parkway, north of Eldorado Parkway and west of US 75 will be affected." On July 1, some McKinney businesses and homes within the 75070 ZIP code will be converted to the new 75072 ZIP code. This change will affect 18,676 residential addresses and 158 businesses, according to the city of McKinney. Addresses south of Virginia Parkway, north of Eldorado Parkway and west of US 75 will be affected. Addresses along Virginia Parkway will remain in the 75071 ZIP code, and addresses on Eldorado Parkway and west of US 75 will remain with the 75070 ZIP code. ZIP codes are designated by the USPS and the city has no influence in this change, according to the city of McKinney.