Area Code +359-81-(400000...409999) located in Borovo, 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 : 400000 Subscriber Number To : 409999 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 : Borovo 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-(380000...389999) next › : +359-81-(410000...419999) Dialling Instructions For trunk calls: 0 81 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 81 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 409999 (Count: 10,000) Example: +359-81-400000 / 00359-81-400000 (081-400000 / 0-81-400000) +359-81-400001 / 00359-81-400001 (081-400001 / 0-81-400001) +359-81-400002 / 00359-81-400002 (081-400002 / 0-81-400002) +359-81-400003 / 00359-81-400003 (081-400003 / 0-81-400003) +359-81-400004 / 00359-81-400004 (081-400004 / 0-81-400004) ...+359-81-xxxxxx / 00359-81-xxxxxx (081-xxxxxx / 0-81-xxxxxx) ...+359-81-409995 / 00359-81-409995 (081-409995 / 0-81-409995) +359-81-409996 / 00359-81-409996 (081-409996 / 0-81-409996) +359-81-409997 / 00359-81-409997 (081-409997 / 0-81-409997) +359-81-409998 / 00359-81-409998 (081-409998 / 0-81-409998) +359-81-409999 / 00359-81-409999 (081-409999 / 0-81-409999)