The national scanning score was 96.9 percent during the week ending Jan. 8, up from one week earlier.
The area and district scanning standings also experienced changes.
Western (97.27 percent) once again finished first among the areas. Eastern (96.98 percent) moved up two spots to take second, while Southern (96.97 percent) climbed four spots to finish third.
Among the districts, Arkansas and Western New York each had a rating of 97.9 percent, followed by Sacramento (97.81 percent), which climbed six places.
Scanning allows customers to track their packages and other mail. It also helps the Postal Service improve efficiency and network management.
Informational videos about scanning are available at USPS-TV.