Area Code +359-51-(300000...309999) located in General Kiselovo, 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 : 300000 Subscriber Number To : 309999 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 : General Kiselovo Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.4600 Longitude : 27.6000 ‹ previous : +359-51-(290000...299999) next › : +359-51-(310000...319999) Dialling Instructions For trunk calls: 0 51 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 51 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +359-51-300000 / 00359-51-300000 (051-300000 / 0-51-300000) +359-51-300001 / 00359-51-300001 (051-300001 / 0-51-300001) +359-51-300002 / 00359-51-300002 (051-300002 / 0-51-300002) +359-51-300003 / 00359-51-300003 (051-300003 / 0-51-300003) +359-51-300004 / 00359-51-300004 (051-300004 / 0-51-300004) ...+359-51-xxxxxx / 00359-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+359-51-309995 / 00359-51-309995 (051-309995 / 0-51-309995) +359-51-309996 / 00359-51-309996 (051-309996 / 0-51-309996) +359-51-309997 / 00359-51-309997 (051-309997 / 0-51-309997) +359-51-309998 / 00359-51-309998 (051-309998 / 0-51-309998) +359-51-309999 / 00359-51-309999 (051-309999 / 0-51-309999)