Area Code +359-30-(390000...399999) located in Polkovnik Serafimovo, 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 : 390000 Subscriber Number To : 399999 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 : Polkovnik Serafimovo Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 41.5300 Longitude : 24.7800 ‹ previous : +359-30-(380000...389999) next › : +359-30-(400000...409999) Dialling Instructions For trunk calls: 0 30 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 30 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +359-30-390000 / 00359-30-390000 (030-390000 / 0-30-390000) +359-30-390001 / 00359-30-390001 (030-390001 / 0-30-390001) +359-30-390002 / 00359-30-390002 (030-390002 / 0-30-390002) +359-30-390003 / 00359-30-390003 (030-390003 / 0-30-390003) +359-30-390004 / 00359-30-390004 (030-390004 / 0-30-390004) ...+359-30-xxxxxx / 00359-30-xxxxxx (030-xxxxxx / 0-30-xxxxxx) ...+359-30-399995 / 00359-30-399995 (030-399995 / 0-30-399995) +359-30-399996 / 00359-30-399996 (030-399996 / 0-30-399996) +359-30-399997 / 00359-30-399997 (030-399997 / 0-30-399997) +359-30-399998 / 00359-30-399998 (030-399998 / 0-30-399998) +359-30-399999 / 00359-30-399999 (030-399999 / 0-30-399999)