The 920-348 exchange is serviced by the following companies within the CAMBRIA ratecenter.
CENTURYTEL SOUTHERN WISCONSIN LLC DBA CENTURYLINK
Call are routed trough OCN 931 and CLLI - CMBAWIXARS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in CAMBRIA.
Who's number is 920-348 Numbers?