Area Code +98-231-(0000000...2999999) located in Semnan - سمنان, Semnān (12), more detail is as below. Place International Dialing Code : 98 International Prefix : 00 National Prefix : 0 National Destination Code : 231 Subscriber Number From : 0000000 Subscriber Number To : 2999999 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 : 12 Region Name : Semnān City : Semnan - سمنان Timezone : Asia/Tehran Coordinated Universal Time : +03:30 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 35.5700 Longitude : 53.4000 ‹ previous : +98-229-(0000000...9999999) next › : +98-231-(3350000...3359999) Dialling Instructions For trunk calls: 0 231 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 98 231 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 2999999 (Count: 3,000,000) Example: +98-231-0000000 / 0098-231-0000000 (0231-0000000 / 0-231-0000000) +98-231-0000001 / 0098-231-0000001 (0231-0000001 / 0-231-0000001) +98-231-0000002 / 0098-231-0000002 (0231-0000002 / 0-231-0000002) +98-231-0000003 / 0098-231-0000003 (0231-0000003 / 0-231-0000003) +98-231-0000004 / 0098-231-0000004 (0231-0000004 / 0-231-0000004) ...+98-231-xxxxxxx / 0098-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+98-231-2999995 / 0098-231-2999995 (0231-2999995 / 0-231-2999995) +98-231-2999996 / 0098-231-2999996 (0231-2999996 / 0-231-2999996) +98-231-2999997 / 0098-231-2999997 (0231-2999997 / 0-231-2999997) +98-231-2999998 / 0098-231-2999998 (0231-2999998 / 0-231-2999998) +98-231-2999999 / 0098-231-2999999 (0231-2999999 / 0-231-2999999)