According to North American Numbering Plan, 815870 located in ROCKFORD, Illinois. the first three digits 815 locate to state Illinois, 870 Cellular locate the city ROCKFORD, furthermore, we also provide some other information such as the zip code example(s) 61104, 61102, 61101, carrier USA MOBILITY WIRELESS, INC., 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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