The 715-778 exchange is serviced by the following companies within the SPRING VLY ratecenter.
"SPRING VALLEY TELEPHONE CO., INC."
Call are routed trough OCN 953 and CLLI - SPVYWIXARS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in SPRING VALLEY.
Who's number is 715-778 Numbers?