Area Code +359-51-(125000...125999) located in Konstantinovo, 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 : 125000 Subscriber Number To : 125999 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 : Konstantinovo Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.1600 Longitude : 27.7800 ‹ previous : +359-51-(120000...129999) next › : +359-51-(127000...127999) Dialling Instructions For trunk calls: 0 51 125000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 51 125000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 125000 ~ 125999 (Count: 1,000) Example: +359-51-125000 / 00359-51-125000 (051-125000 / 0-51-125000) +359-51-125001 / 00359-51-125001 (051-125001 / 0-51-125001) +359-51-125002 / 00359-51-125002 (051-125002 / 0-51-125002) +359-51-125003 / 00359-51-125003 (051-125003 / 0-51-125003) +359-51-125004 / 00359-51-125004 (051-125004 / 0-51-125004) ...+359-51-xxxxxx / 00359-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+359-51-125995 / 00359-51-125995 (051-125995 / 0-51-125995) +359-51-125996 / 00359-51-125996 (051-125996 / 0-51-125996) +359-51-125997 / 00359-51-125997 (051-125997 / 0-51-125997) +359-51-125998 / 00359-51-125998 (051-125998 / 0-51-125998) +359-51-125999 / 00359-51-125999 (051-125999 / 0-51-125999)