Area Code +359-81-(630000...639999) located in Buzun, Ruse (18), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 81 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 : 18 Region Name : Ruse City : Buzun Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.7400 Longitude : 26.1100 ‹ previous : +359-81-(610000...619999) next › : +359-81-(640000...649999) Dialling Instructions For trunk calls: 0 81 630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 81 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 630000 ~ 639999 (Count: 10,000) Example: +359-81-630000 / 00359-81-630000 (081-630000 / 0-81-630000) +359-81-630001 / 00359-81-630001 (081-630001 / 0-81-630001) +359-81-630002 / 00359-81-630002 (081-630002 / 0-81-630002) +359-81-630003 / 00359-81-630003 (081-630003 / 0-81-630003) +359-81-630004 / 00359-81-630004 (081-630004 / 0-81-630004) ...+359-81-xxxxxx / 00359-81-xxxxxx (081-xxxxxx / 0-81-xxxxxx) ...+359-81-639995 / 00359-81-639995 (081-639995 / 0-81-639995) +359-81-639996 / 00359-81-639996 (081-639996 / 0-81-639996) +359-81-639997 / 00359-81-639997 (081-639997 / 0-81-639997) +359-81-639998 / 00359-81-639998 (081-639998 / 0-81-639998) +359-81-639999 / 00359-81-639999 (081-639999 / 0-81-639999)