Area Code +98-56-(12320000...12329999) located in Birjand - مزداب, South Khorasan (29), more detail is as below. Place International Dialing Code : 98 International Prefix : 00 National Prefix : 0 National Destination Code : 56 Subscriber Number From : 12320000 Subscriber Number To : 12329999 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 : 29 Region Name : South Khorasan City : Birjand - مزداب Timezone : Asia/Tehran Coordinated Universal Time : +03:30 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 33.2500 Longitude : 59.3800 ‹ previous : +98-56-(12290000...12299999) next › : +98-56-(12350000...12352999) Dialling Instructions For trunk calls: 0 56 12320000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 98 56 12320000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 12320000 ~ 12329999 (Count: 10,000) Example: +98-56-12320000 / 0098-56-12320000 (056-12320000 / 0-56-12320000) +98-56-12320001 / 0098-56-12320001 (056-12320001 / 0-56-12320001) +98-56-12320002 / 0098-56-12320002 (056-12320002 / 0-56-12320002) +98-56-12320003 / 0098-56-12320003 (056-12320003 / 0-56-12320003) +98-56-12320004 / 0098-56-12320004 (056-12320004 / 0-56-12320004) ...+98-56-xxxxxxxx / 0098-56-xxxxxxxx (056-xxxxxxxx / 0-56-xxxxxxxx) ...+98-56-12329995 / 0098-56-12329995 (056-12329995 / 0-56-12329995) +98-56-12329996 / 0098-56-12329996 (056-12329996 / 0-56-12329996) +98-56-12329997 / 0098-56-12329997 (056-12329997 / 0-56-12329997) +98-56-12329998 / 0098-56-12329998 (056-12329998 / 0-56-12329998) +98-56-12329999 / 0098-56-12329999 (056-12329999 / 0-56-12329999)