Area Code +359-51-(800000...899999) located in Provadija, 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 : 800000 Subscriber Number To : 899999 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 : Provadija Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.1800 Longitude : 27.4400 ‹ previous : +359-51-(700000...799999) next › : +359-51-(900000...999999) Dialling Instructions For trunk calls: 0 51 800000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 51 800000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 800000 ~ 899999 (Count: 100,000) Example: +359-51-800000 / 00359-51-800000 (051-800000 / 0-51-800000) +359-51-800001 / 00359-51-800001 (051-800001 / 0-51-800001) +359-51-800002 / 00359-51-800002 (051-800002 / 0-51-800002) +359-51-800003 / 00359-51-800003 (051-800003 / 0-51-800003) +359-51-800004 / 00359-51-800004 (051-800004 / 0-51-800004) ...+359-51-xxxxxx / 00359-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+359-51-899995 / 00359-51-899995 (051-899995 / 0-51-899995) +359-51-899996 / 00359-51-899996 (051-899996 / 0-51-899996) +359-51-899997 / 00359-51-899997 (051-899997 / 0-51-899997) +359-51-899998 / 00359-51-899998 (051-899998 / 0-51-899998) +359-51-899999 / 00359-51-899999 (051-899999 / 0-51-899999)