Area Code +359-30-(370000...379999) located in Sivino, Smolyan (21), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 30 Subscriber Number From : 370000 Subscriber Number To : 379999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : BTC Click here to buy Bulgaria Area Code Database Other Information Language Code : bg (Bulgarian) Country Number : 100 (Bulgaria) Country Code : BG (Bulgaria) Region Code : 21 Region Name : Smolyan City : Sivino Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 41.4500 Longitude : 24.6900 ‹ previous : +359-30-(360000...369999) next › : +359-30-(380000...389999) Dialling Instructions For trunk calls: 0 30 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 30 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +359-30-370000 / 00359-30-370000 (030-370000 / 0-30-370000) +359-30-370001 / 00359-30-370001 (030-370001 / 0-30-370001) +359-30-370002 / 00359-30-370002 (030-370002 / 0-30-370002) +359-30-370003 / 00359-30-370003 (030-370003 / 0-30-370003) +359-30-370004 / 00359-30-370004 (030-370004 / 0-30-370004) ...+359-30-xxxxxx / 00359-30-xxxxxx (030-xxxxxx / 0-30-xxxxxx) ...+359-30-379995 / 00359-30-379995 (030-379995 / 0-30-379995) +359-30-379996 / 00359-30-379996 (030-379996 / 0-30-379996) +359-30-379997 / 00359-30-379997 (030-379997 / 0-30-379997) +359-30-379998 / 00359-30-379998 (030-379998 / 0-30-379998) +359-30-379999 / 00359-30-379999 (030-379999 / 0-30-379999)