Area Code +359-51-(420000...429999) located in Dolni chiflik, 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 : 420000 Subscriber Number To : 429999 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 : Dolni chiflik Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.9900 Longitude : 27.7200 ‹ previous : +359-51-(410000...419999) next › : +359-51-(428000...428999) Dialling Instructions For trunk calls: 0 51 420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 51 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 420000 ~ 429999 (Count: 10,000) Example: +359-51-420000 / 00359-51-420000 (051-420000 / 0-51-420000) +359-51-420001 / 00359-51-420001 (051-420001 / 0-51-420001) +359-51-420002 / 00359-51-420002 (051-420002 / 0-51-420002) +359-51-420003 / 00359-51-420003 (051-420003 / 0-51-420003) +359-51-420004 / 00359-51-420004 (051-420004 / 0-51-420004) ...+359-51-xxxxxx / 00359-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+359-51-429995 / 00359-51-429995 (051-429995 / 0-51-429995) +359-51-429996 / 00359-51-429996 (051-429996 / 0-51-429996) +359-51-429997 / 00359-51-429997 (051-429997 / 0-51-429997) +359-51-429998 / 00359-51-429998 (051-429998 / 0-51-429998) +359-51-429999 / 00359-51-429999 (051-429999 / 0-51-429999)