Area Code +1-579-(9990000...9999999) located in Longueuil, Quebec (QC), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 579 Subscriber Number From : 9990000 Subscriber Number To : 9999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : IRISTEL INC. - ON Click here to buy Canada Area Code Database Other Information Language Code : fr (French) Country Number : 124 (Canada) Country Code : CA (Canada) Region Code : QC Region Name : Quebec City : Longueuil Timezone : America/Montreal Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 45.5300 Longitude : -73.5200 ‹ previous : +1-579-(9900000...9909999) next › : +1-581-(2000000...2009999) Dialling Instructions For trunk calls: 1 579 9990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 579 9990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9990000 ~ 9999999 (Count: 10,000) Example: +1-579-9990000 / 0111-579-9990000 (1579-9990000 / 1-579-9990000) +1-579-9990001 / 0111-579-9990001 (1579-9990001 / 1-579-9990001) +1-579-9990002 / 0111-579-9990002 (1579-9990002 / 1-579-9990002) +1-579-9990003 / 0111-579-9990003 (1579-9990003 / 1-579-9990003) +1-579-9990004 / 0111-579-9990004 (1579-9990004 / 1-579-9990004) ...+1-579-xxxxxxx / 0111-579-xxxxxxx (1579-xxxxxxx / 1-579-xxxxxxx) ...+1-579-9999995 / 0111-579-9999995 (1579-9999995 / 1-579-9999995) +1-579-9999996 / 0111-579-9999996 (1579-9999996 / 1-579-9999996) +1-579-9999997 / 0111-579-9999997 (1579-9999997 / 1-579-9999997) +1-579-9999998 / 0111-579-9999998 (1579-9999998 / 1-579-9999998) +1-579-9999999 / 0111-579-9999999 (1579-9999999 / 1-579-9999999)