Phone number details for 414-400 numbers
The 414-400 exchange is serviced by the following companies within the MILWAUKZN1 ratecenter.
NEUTRAL TANDEM-ILLINOIS, LLC - WI
Call are routed trough OCN and CLLI - (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Working 414-400-xxxx local exchanges
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