Area Code +359-51-(900000...999999) located in Devnja, 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 : 900000 Subscriber Number To : 999999 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 : Devnja Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.2200 Longitude : 27.5600 ‹ previous : +359-51-(800000...899999) next › : +359-52-(000000...999999) Dialling Instructions For trunk calls: 0 51 900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 51 900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 900000 ~ 999999 (Count: 100,000) Example: +359-51-900000 / 00359-51-900000 (051-900000 / 0-51-900000) +359-51-900001 / 00359-51-900001 (051-900001 / 0-51-900001) +359-51-900002 / 00359-51-900002 (051-900002 / 0-51-900002) +359-51-900003 / 00359-51-900003 (051-900003 / 0-51-900003) +359-51-900004 / 00359-51-900004 (051-900004 / 0-51-900004) ...+359-51-xxxxxx / 00359-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+359-51-999995 / 00359-51-999995 (051-999995 / 0-51-999995) +359-51-999996 / 00359-51-999996 (051-999996 / 0-51-999996) +359-51-999997 / 00359-51-999997 (051-999997 / 0-51-999997) +359-51-999998 / 00359-51-999998 (051-999998 / 0-51-999998) +359-51-999999 / 00359-51-999999 (051-999999 / 0-51-999999)