A telephone exchange boundary map for Minnesota is available at Minnesota.Maps.ArcGIS.com, and a map for Arkansas is displayed at catalog.data.gov. There is no single source that provides telephone boundary maps for every state.Continue Reading
A state's public utilities commission often publishes the telephone exchange boundary maps for that state. For example, a telephone exchange boundary map for Ohio is located at PUCO.Ohio.gov, and a map for California is available at CPUC.CA.gov.
These maps only show the exchanges that have been assigned to the locations indicated. Since consumers who move may change service providers and keep or port their numbers, the boundaries and exchange areas shown on the maps may no longer be accurate or reflect the actual location of a number.Learn more about Public Records