Area Code +359-81-(520000...529999) located in Krasen, 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 : 520000 Subscriber Number To : 529999 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 : Krasen Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : None Longitude : None ‹ previous : +359-81-(510000...519999) next › : +359-81-(560000...569999) Dialling Instructions For trunk calls: 0 81 520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 81 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 520000 ~ 529999 (Count: 10,000) Example: +359-81-520000 / 00359-81-520000 (081-520000 / 0-81-520000) +359-81-520001 / 00359-81-520001 (081-520001 / 0-81-520001) +359-81-520002 / 00359-81-520002 (081-520002 / 0-81-520002) +359-81-520003 / 00359-81-520003 (081-520003 / 0-81-520003) +359-81-520004 / 00359-81-520004 (081-520004 / 0-81-520004) ...+359-81-xxxxxx / 00359-81-xxxxxx (081-xxxxxx / 0-81-xxxxxx) ...+359-81-529995 / 00359-81-529995 (081-529995 / 0-81-529995) +359-81-529996 / 00359-81-529996 (081-529996 / 0-81-529996) +359-81-529997 / 00359-81-529997 (081-529997 / 0-81-529997) +359-81-529998 / 00359-81-529998 (081-529998 / 0-81-529998) +359-81-529999 / 00359-81-529999 (081-529999 / 0-81-529999)