Over the past eighteen months, user-paid directory assistance (DA) providers performed at levels that are almost as high as statistically possible. This makes the United States' DA service "the best of the best."
There are three components that drive the accuracy of DA: the automated front-end systems, the operators and the databases. According to the Fall, 2008 National Directory Assistance Performance IndexSM, an independent analysis published semi-annually by The Paisley Group, Ltd. (PGL), automated systems are performing at 98.7% accuracy, operators at 99.0% accuracy and databases at 95.7% accuracy. This results in 94.3% of all calls being handled accurately. The margin of error is +/- 2.6%.
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