Area Code +98-21-(00000000...99999999) located in Tehrān - تهران, Tehran (07), more detail is as below. Place International Dialing Code : 98 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 00000000 Subscriber Number To : 99999999 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 : 07 Region Name : Tehran City : Tehrān - تهران Timezone : Asia/Tehran Coordinated Universal Time : +03:30 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 35.7000 Longitude : 51.4200 ‹ previous : +98-20-(00000000...09999999) next › : +98-221-(0000000...9999999) Dialling Instructions For trunk calls: 0 21 00000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 98 21 00000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000000 ~ 99999999 (Count: 100,000,000) Example: +98-21-00000000 / 0098-21-00000000 (021-00000000 / 0-21-00000000) +98-21-00000001 / 0098-21-00000001 (021-00000001 / 0-21-00000001) +98-21-00000002 / 0098-21-00000002 (021-00000002 / 0-21-00000002) +98-21-00000003 / 0098-21-00000003 (021-00000003 / 0-21-00000003) +98-21-00000004 / 0098-21-00000004 (021-00000004 / 0-21-00000004) ...+98-21-xxxxxxxx / 0098-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+98-21-99999995 / 0098-21-99999995 (021-99999995 / 0-21-99999995) +98-21-99999996 / 0098-21-99999996 (021-99999996 / 0-21-99999996) +98-21-99999997 / 0098-21-99999997 (021-99999997 / 0-21-99999997) +98-21-99999998 / 0098-21-99999998 (021-99999998 / 0-21-99999998) +98-21-99999999 / 0098-21-99999999 (021-99999999 / 0-21-99999999)