According to North American Numbering Plan, 779423 located in ROCKFORD, Illinois. the first three digits 779 locate to state Illinois, 423 locate the city ROCKFORD, furthermore, we also provide some other information such as the zip code example(s) 61104, 61102, 61101, carrier COMCAST PHONE OF ILLINOIS, LLC, and the latitude and longitude is 42.2672 -89.0999. Please pay attention that the detail we provide only as a reference, the details of the zip code may be not complete, the latitude and longitude likely to have deviation.

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