Patent ID: 8411831

Claim:
A method for determining a boundary of a rate center comprising: acquiring subscriber phone number data, wherein for each subscriber phone number the subscriber phone number data comprises a location code; acquiring general phone number data relating to a geographic area, wherein for each phone number the general phone number data identifies a carrier type and a rate center name; matching, using a correlation processor, the subscriber phone number data to entries in the general phone number data; filtering, using the correlation processor, the matched data to produce a set of filtered data that are reliable predictors of a location of a call center; acquiring subscriber address data, wherein for each subscriber address the subscriber address data comprise a street address of a subscriber and the location code; relating, using the correlation processor, each subscriber phone number in the filtered data to an address using the location code and a rate center name; acquiring map data; comparing, using a geo-coding processor, the related data and the map data to associate each phone number provided in the filtered data with a location on a map of the geographic area; projecting a line between subscriber locations based on the rate center name; and rendering a map comprising a graphical representation of the location of each subscriber phone number identified in the filtered data and the projected line.