Area Code +359-86-(770000...779999) located in Sreburna, 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 : 770000 Subscriber Number To : 779999 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 : Sreburna Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 44.0800 Longitude : 27.1200 ‹ previous : +359-86-(760000...769999) next › : +359-86-(780000...789999) Dialling Instructions For trunk calls: 0 86 770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 86 770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 770000 ~ 779999 (Count: 10,000) Example: +359-86-770000 / 00359-86-770000 (086-770000 / 0-86-770000) +359-86-770001 / 00359-86-770001 (086-770001 / 0-86-770001) +359-86-770002 / 00359-86-770002 (086-770002 / 0-86-770002) +359-86-770003 / 00359-86-770003 (086-770003 / 0-86-770003) +359-86-770004 / 00359-86-770004 (086-770004 / 0-86-770004) ...+359-86-xxxxxx / 00359-86-xxxxxx (086-xxxxxx / 0-86-xxxxxx) ...+359-86-779995 / 00359-86-779995 (086-779995 / 0-86-779995) +359-86-779996 / 00359-86-779996 (086-779996 / 0-86-779996) +359-86-779997 / 00359-86-779997 (086-779997 / 0-86-779997) +359-86-779998 / 00359-86-779998 (086-779998 / 0-86-779998) +359-86-779999 / 00359-86-779999 (086-779999 / 0-86-779999)