Area Code 579-721 Map and Location

Phone number details for 579-721 numbers

The 579-721 exchange is serviced by the following companies within the Longueuil ratecenter.

Videotron General Partnership

Call are routed trough OCN 8306 and CLLI - NOCLLIKNOWN (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .