Phone number details for 608-421 numbers
The 608-421 exchange is serviced by the following companies within the MADISON ratecenter.
NUSO, LLC
Call are routed trough OCN 6529 and CLLI - MDSNWI11XNX (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Working 608-421-xxxx local exchanges
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