Area Code +359-71-(660000...669999) located in Vlado Trichkov, Sofia (23), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 71 Subscriber Number From : 660000 Subscriber Number To : 669999 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 : 23 Region Name : Sofia City : Vlado Trichkov Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.8700 Longitude : 23.3700 ‹ previous : +359-71-(650000...659999) next › : +359-71-(670000...679999) Dialling Instructions For trunk calls: 0 71 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 71 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +359-71-660000 / 00359-71-660000 (071-660000 / 0-71-660000) +359-71-660001 / 00359-71-660001 (071-660001 / 0-71-660001) +359-71-660002 / 00359-71-660002 (071-660002 / 0-71-660002) +359-71-660003 / 00359-71-660003 (071-660003 / 0-71-660003) +359-71-660004 / 00359-71-660004 (071-660004 / 0-71-660004) ...+359-71-xxxxxx / 00359-71-xxxxxx (071-xxxxxx / 0-71-xxxxxx) ...+359-71-669995 / 00359-71-669995 (071-669995 / 0-71-669995) +359-71-669996 / 00359-71-669996 (071-669996 / 0-71-669996) +359-71-669997 / 00359-71-669997 (071-669997 / 0-71-669997) +359-71-669998 / 00359-71-669998 (071-669998 / 0-71-669998) +359-71-669999 / 00359-71-669999 (071-669999 / 0-71-669999)