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Certain aspects of Chicago mail delivery are improving, according to results of a survey of area ZIP codes released by the U.S. Postal Service. Here are some findings.
95%
Successful overnight delivery of local first-class mail, up from 90 percent
94%
Successful two-day delivery of first-class mail, up from 81 percent
90%
Successful three-day delivery of first-class mail, up from 69 percent, according to the survey, conducted by IBM Global Business Services
