Area Code +1-437-(5100000...5109999) 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 : 5100000 Subscriber Number To : 5109999 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 : ROGERS COMMUNICATION 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-(2660000...2669999) next › : +1-437-(5800000...5809999) Dialling Instructions For trunk calls: 1 437 5100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 437 5100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5100000 ~ 5109999 (Count: 10,000) Example: +1-437-5100000 / 0111-437-5100000 (1437-5100000 / 1-437-5100000) +1-437-5100001 / 0111-437-5100001 (1437-5100001 / 1-437-5100001) +1-437-5100002 / 0111-437-5100002 (1437-5100002 / 1-437-5100002) +1-437-5100003 / 0111-437-5100003 (1437-5100003 / 1-437-5100003) +1-437-5100004 / 0111-437-5100004 (1437-5100004 / 1-437-5100004) ...+1-437-xxxxxxx / 0111-437-xxxxxxx (1437-xxxxxxx / 1-437-xxxxxxx) ...+1-437-5109995 / 0111-437-5109995 (1437-5109995 / 1-437-5109995) +1-437-5109996 / 0111-437-5109996 (1437-5109996 / 1-437-5109996) +1-437-5109997 / 0111-437-5109997 (1437-5109997 / 1-437-5109997) +1-437-5109998 / 0111-437-5109998 (1437-5109998 / 1-437-5109998) +1-437-5109999 / 0111-437-5109999 (1437-5109999 / 1-437-5109999)