Phone number details for 403-820 numbers
The 403-820 exchange is serviced by the following companies within the Drumheller ratecenter.
TELUS
Call are routed trough OCN 8084 and CLLI - DMHLAB01RS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Working 403-820-xxxx local exchanges
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