Area Code +98-312-(3440000...3449999) located in Esfehan (suburb) - كاويان, Isfahan (04), more detail is as below. Place International Dialing Code : 98 International Prefix : 00 National Prefix : 0 National Destination Code : 312 Subscriber Number From : 3440000 Subscriber Number To : 3449999 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 : Telecommunication Company of Iran Click here to buy Iran Area Code Database Other Information Language Code : fa (Persian) Country Number : 364 (Iran) Country Code : IR (Iran) Region Code : 04 Region Name : Isfahan City : Esfehan (suburb) - كاويان Timezone : Asia/Tehran Coordinated Universal Time : +03:30 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 32.6600 Longitude : 51.6800 ‹ previous : +98-312-(3420000...3429999) next › : +98-312-(3450000...3459999) Dialling Instructions For trunk calls: 0 312 3440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 98 312 3440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3440000 ~ 3449999 (Count: 10,000) Example: +98-312-3440000 / 0098-312-3440000 (0312-3440000 / 0-312-3440000) +98-312-3440001 / 0098-312-3440001 (0312-3440001 / 0-312-3440001) +98-312-3440002 / 0098-312-3440002 (0312-3440002 / 0-312-3440002) +98-312-3440003 / 0098-312-3440003 (0312-3440003 / 0-312-3440003) +98-312-3440004 / 0098-312-3440004 (0312-3440004 / 0-312-3440004) ...+98-312-xxxxxxx / 0098-312-xxxxxxx (0312-xxxxxxx / 0-312-xxxxxxx) ...+98-312-3449995 / 0098-312-3449995 (0312-3449995 / 0-312-3449995) +98-312-3449996 / 0098-312-3449996 (0312-3449996 / 0-312-3449996) +98-312-3449997 / 0098-312-3449997 (0312-3449997 / 0-312-3449997) +98-312-3449998 / 0098-312-3449998 (0312-3449998 / 0-312-3449998) +98-312-3449999 / 0098-312-3449999 (0312-3449999 / 0-312-3449999)