Phone number details for 403-537 numbers
The 403-537 exchange is serviced by the following companies within the Calgary ratecenter.
MTS Allstream
Call are routed trough OCN 8304 and CLLI - CLGRABCDDS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Working 403-537-xxxx local exchanges
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