Area Code +359-51-(670000...679999) located in Venchan, Varna (03), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 51 Subscriber Number From : 670000 Subscriber Number To : 679999 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 : 03 Region Name : Varna City : Venchan Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.2400 Longitude : 27.3900 ‹ previous : +359-51-(660000...669999) next › : +359-51-(680000...689999) Dialling Instructions For trunk calls: 0 51 670000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 51 670000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 670000 ~ 679999 (Count: 10,000) Example: +359-51-670000 / 00359-51-670000 (051-670000 / 0-51-670000) +359-51-670001 / 00359-51-670001 (051-670001 / 0-51-670001) +359-51-670002 / 00359-51-670002 (051-670002 / 0-51-670002) +359-51-670003 / 00359-51-670003 (051-670003 / 0-51-670003) +359-51-670004 / 00359-51-670004 (051-670004 / 0-51-670004) ...+359-51-xxxxxx / 00359-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+359-51-679995 / 00359-51-679995 (051-679995 / 0-51-679995) +359-51-679996 / 00359-51-679996 (051-679996 / 0-51-679996) +359-51-679997 / 00359-51-679997 (051-679997 / 0-51-679997) +359-51-679998 / 00359-51-679998 (051-679998 / 0-51-679998) +359-51-679999 / 00359-51-679999 (051-679999 / 0-51-679999)