Area Code +1-437-(8000000...8009999) located in Toronto, Ontario (ON), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 437 Subscriber Number From : 8000000 Subscriber Number To : 8009999 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 : en (English) Country Number : 124 (Canada) Country Code : CA (Canada) Region Code : ON Region Name : Ontario City : Toronto Timezone : America/Toronto Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.6700 Longitude : -79.3900 ‹ previous : +1-437-(5800000...5809999) next › : +1-437-(8360000...8369999) Dialling Instructions For trunk calls: 1 437 8000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 437 8000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8000000 ~ 8009999 (Count: 10,000) Example: +1-437-8000000 / 0111-437-8000000 (1437-8000000 / 1-437-8000000) +1-437-8000001 / 0111-437-8000001 (1437-8000001 / 1-437-8000001) +1-437-8000002 / 0111-437-8000002 (1437-8000002 / 1-437-8000002) +1-437-8000003 / 0111-437-8000003 (1437-8000003 / 1-437-8000003) +1-437-8000004 / 0111-437-8000004 (1437-8000004 / 1-437-8000004) ...+1-437-xxxxxxx / 0111-437-xxxxxxx (1437-xxxxxxx / 1-437-xxxxxxx) ...+1-437-8009995 / 0111-437-8009995 (1437-8009995 / 1-437-8009995) +1-437-8009996 / 0111-437-8009996 (1437-8009996 / 1-437-8009996) +1-437-8009997 / 0111-437-8009997 (1437-8009997 / 1-437-8009997) +1-437-8009998 / 0111-437-8009998 (1437-8009998 / 1-437-8009998) +1-437-8009999 / 0111-437-8009999 (1437-8009999 / 1-437-8009999)