Area Code +1-579-(4770000...4779999) located in Sainte-Therese, 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 : 4770000 Subscriber Number To : 4779999 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 : ISP TELECOM INC. 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 : Sainte-Therese Timezone : America/Montreal Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 45.6400 Longitude : -73.8300 ‹ previous : +1-579-(4520000...4529999) next › : +1-579-(4780000...4789999) Dialling Instructions For trunk calls: 1 579 4770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 579 4770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4770000 ~ 4779999 (Count: 10,000) Example: +1-579-4770000 / 0111-579-4770000 (1579-4770000 / 1-579-4770000) +1-579-4770001 / 0111-579-4770001 (1579-4770001 / 1-579-4770001) +1-579-4770002 / 0111-579-4770002 (1579-4770002 / 1-579-4770002) +1-579-4770003 / 0111-579-4770003 (1579-4770003 / 1-579-4770003) +1-579-4770004 / 0111-579-4770004 (1579-4770004 / 1-579-4770004) ...+1-579-xxxxxxx / 0111-579-xxxxxxx (1579-xxxxxxx / 1-579-xxxxxxx) ...+1-579-4779995 / 0111-579-4779995 (1579-4779995 / 1-579-4779995) +1-579-4779996 / 0111-579-4779996 (1579-4779996 / 1-579-4779996) +1-579-4779997 / 0111-579-4779997 (1579-4779997 / 1-579-4779997) +1-579-4779998 / 0111-579-4779998 (1579-4779998 / 1-579-4779998) +1-579-4779999 / 0111-579-4779999 (1579-4779999 / 1-579-4779999)