Area Code +359-86-(420000...429999) located in Dulovo, Silistra (19), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 86 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 : 19 Region Name : Silistra City : Dulovo Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.8200 Longitude : 27.1400 ‹ previous : +359-86-(410000...419999) next › : +359-86-(430000...439999) Dialling Instructions For trunk calls: 0 86 420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 86 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 420000 ~ 429999 (Count: 10,000) Example: +359-86-420000 / 00359-86-420000 (086-420000 / 0-86-420000) +359-86-420001 / 00359-86-420001 (086-420001 / 0-86-420001) +359-86-420002 / 00359-86-420002 (086-420002 / 0-86-420002) +359-86-420003 / 00359-86-420003 (086-420003 / 0-86-420003) +359-86-420004 / 00359-86-420004 (086-420004 / 0-86-420004) ...+359-86-xxxxxx / 00359-86-xxxxxx (086-xxxxxx / 0-86-xxxxxx) ...+359-86-429995 / 00359-86-429995 (086-429995 / 0-86-429995) +359-86-429996 / 00359-86-429996 (086-429996 / 0-86-429996) +359-86-429997 / 00359-86-429997 (086-429997 / 0-86-429997) +359-86-429998 / 00359-86-429998 (086-429998 / 0-86-429998) +359-86-429999 / 00359-86-429999 (086-429999 / 0-86-429999)