Area Code +1-289-(3120000...3129999) located in Oshawa, Ontario (ON), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 289 Subscriber Number From : 3120000 Subscriber Number To : 3129999 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 : Oshawa Timezone : America/Toronto Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.9000 Longitude : -78.8600 ‹ previous : +1-289-(3090000...3099999) next › : +1-289-(3130000...3139999) Dialling Instructions For trunk calls: 1 289 3120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 289 3120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3120000 ~ 3129999 (Count: 10,000) Example: +1-289-3120000 / 0111-289-3120000 (1289-3120000 / 1-289-3120000) +1-289-3120001 / 0111-289-3120001 (1289-3120001 / 1-289-3120001) +1-289-3120002 / 0111-289-3120002 (1289-3120002 / 1-289-3120002) +1-289-3120003 / 0111-289-3120003 (1289-3120003 / 1-289-3120003) +1-289-3120004 / 0111-289-3120004 (1289-3120004 / 1-289-3120004) ...+1-289-xxxxxxx / 0111-289-xxxxxxx (1289-xxxxxxx / 1-289-xxxxxxx) ...+1-289-3129995 / 0111-289-3129995 (1289-3129995 / 1-289-3129995) +1-289-3129996 / 0111-289-3129996 (1289-3129996 / 1-289-3129996) +1-289-3129997 / 0111-289-3129997 (1289-3129997 / 1-289-3129997) +1-289-3129998 / 0111-289-3129998 (1289-3129998 / 1-289-3129998) +1-289-3129999 / 0111-289-3129999 (1289-3129999 / 1-289-3129999)