The 414-439 exchange is serviced by the following companies within the MILWAUKZN1 ratecenter.
T-MOBILE USA, INC.
Call are routed trough OCN 6529 and CLLI - WKSHWIROCM1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in WAUKESHA.
Who's number is 414-439 Numbers?