The national scanning score was 96.59 percent for the week ending Jan. 1, up slightly from one week earlier.
Western (96.99 percent) led the areas. Great Lakes (96.65 percent) took second place and Northeast (96.55 percent) finished third.
Among the districts, Arkansas (97.71 percent) finished first for the second consecutive week. Western New York (97.63 percent) was second and Northern New England (97.58 percent) climbed six spots to finish third.
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.