About 75 percent of First-Class Mail will keep its current service standards, according to USPS, and 14 percent will see an ...

The United States Postal Service (USPS ... delivery range going forward. Five-digit zip code add-ons are meant to streamline sorting and delivery as compared the current three-digit pairs. USPS ...

The United States Postal Service ... Five-digit zip code add-ons are meant to streamline sorting and delivery as compared the current three-digit pairs. USPS already has a map online that will ...