Area Code +98-23-(23720000...23729999) located in Semnan (suburb) - چاشم, Semnān (12), more detail is as below. Place International Dialing Code : 98 International Prefix : 00 National Prefix : 0 National Destination Code : 23 Subscriber Number From : 23720000 Subscriber Number To : 23729999 National Destination Code Length : 2 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 (suburb) - چاشم Timezone : Asia/Tehran Coordinated Universal Time : +03:30 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 35.9000 Longitude : 53.2600 ‹ previous : +98-23-(23660000...23669999) next › : +98-23-(24220000...24229999) Dialling Instructions For trunk calls: 0 23 23720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 98 23 23720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 23720000 ~ 23729999 (Count: 10,000) Example: +98-23-23720000 / 0098-23-23720000 (023-23720000 / 0-23-23720000) +98-23-23720001 / 0098-23-23720001 (023-23720001 / 0-23-23720001) +98-23-23720002 / 0098-23-23720002 (023-23720002 / 0-23-23720002) +98-23-23720003 / 0098-23-23720003 (023-23720003 / 0-23-23720003) +98-23-23720004 / 0098-23-23720004 (023-23720004 / 0-23-23720004) ...+98-23-xxxxxxxx / 0098-23-xxxxxxxx (023-xxxxxxxx / 0-23-xxxxxxxx) ...+98-23-23729995 / 0098-23-23729995 (023-23729995 / 0-23-23729995) +98-23-23729996 / 0098-23-23729996 (023-23729996 / 0-23-23729996) +98-23-23729997 / 0098-23-23729997 (023-23729997 / 0-23-23729997) +98-23-23729998 / 0098-23-23729998 (023-23729998 / 0-23-23729998) +98-23-23729999 / 0098-23-23729999 (023-23729999 / 0-23-23729999)