The 819-399 exchange is serviced by the following companies within the St-Leonard-d'Aston ratecenter.
Telebec Ltee.
Call are routed trough OCN 8239 and CLLI - SLDAPQXTRS1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Who's number is 819-399 Numbers?