Area Code +359-71-(630000...639999) located in Iskrec, 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 : 630000 Subscriber Number To : 639999 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 : Iskrec Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.9900 Longitude : 23.2500 ‹ previous : +359-71-(620000...629999) next › : +359-71-(640000...649999) Dialling Instructions For trunk calls: 0 71 630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 71 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 630000 ~ 639999 (Count: 10,000) Example: +359-71-630000 / 00359-71-630000 (071-630000 / 0-71-630000) +359-71-630001 / 00359-71-630001 (071-630001 / 0-71-630001) +359-71-630002 / 00359-71-630002 (071-630002 / 0-71-630002) +359-71-630003 / 00359-71-630003 (071-630003 / 0-71-630003) +359-71-630004 / 00359-71-630004 (071-630004 / 0-71-630004) ...+359-71-xxxxxx / 00359-71-xxxxxx (071-xxxxxx / 0-71-xxxxxx) ...+359-71-639995 / 00359-71-639995 (071-639995 / 0-71-639995) +359-71-639996 / 00359-71-639996 (071-639996 / 0-71-639996) +359-71-639997 / 00359-71-639997 (071-639997 / 0-71-639997) +359-71-639998 / 00359-71-639998 (071-639998 / 0-71-639998) +359-71-639999 / 00359-71-639999 (071-639999 / 0-71-639999)