Area Code +98-231-(3550000...3559999) located in Semnan - مومن آباد, 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 : 3550000 Subscriber Number To : 3559999 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 - مومن آباد Timezone : Asia/Tehran Coordinated Universal Time : +03:30 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 35.5400 Longitude : 53.3000 ‹ previous : +98-231-(3460000...3469999) next › : +98-231-(3580000...3589999) Dialling Instructions For trunk calls: 0 231 3550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 98 231 3550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3550000 ~ 3559999 (Count: 10,000) Example: +98-231-3550000 / 0098-231-3550000 (0231-3550000 / 0-231-3550000) +98-231-3550001 / 0098-231-3550001 (0231-3550001 / 0-231-3550001) +98-231-3550002 / 0098-231-3550002 (0231-3550002 / 0-231-3550002) +98-231-3550003 / 0098-231-3550003 (0231-3550003 / 0-231-3550003) +98-231-3550004 / 0098-231-3550004 (0231-3550004 / 0-231-3550004) ...+98-231-xxxxxxx / 0098-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+98-231-3559995 / 0098-231-3559995 (0231-3559995 / 0-231-3559995) +98-231-3559996 / 0098-231-3559996 (0231-3559996 / 0-231-3559996) +98-231-3559997 / 0098-231-3559997 (0231-3559997 / 0-231-3559997) +98-231-3559998 / 0098-231-3559998 (0231-3559998 / 0-231-3559998) +98-231-3559999 / 0098-231-3559999 (0231-3559999 / 0-231-3559999)