Area Code +359-31-(570000...579999) located in Boljarino, Plovdiv (16), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 31 Subscriber Number From : 570000 Subscriber Number To : 579999 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 : 16 Region Name : Plovdiv City : Boljarino Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.2400 Longitude : 25.0500 ‹ previous : +359-31-(560000...569999) next › : +359-31-(590000...599999) Dialling Instructions For trunk calls: 0 31 570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 31 570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 570000 ~ 579999 (Count: 10,000) Example: +359-31-570000 / 00359-31-570000 (031-570000 / 0-31-570000) +359-31-570001 / 00359-31-570001 (031-570001 / 0-31-570001) +359-31-570002 / 00359-31-570002 (031-570002 / 0-31-570002) +359-31-570003 / 00359-31-570003 (031-570003 / 0-31-570003) +359-31-570004 / 00359-31-570004 (031-570004 / 0-31-570004) ...+359-31-xxxxxx / 00359-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+359-31-579995 / 00359-31-579995 (031-579995 / 0-31-579995) +359-31-579996 / 00359-31-579996 (031-579996 / 0-31-579996) +359-31-579997 / 00359-31-579997 (031-579997 / 0-31-579997) +359-31-579998 / 00359-31-579998 (031-579998 / 0-31-579998) +359-31-579999 / 00359-31-579999 (031-579999 / 0-31-579999)