Area Code +359-77-(310000...319999) located in Trun, Pernik (14), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 77 Subscriber Number From : 310000 Subscriber Number To : 319999 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 : 14 Region Name : Pernik City : Trun Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.8300 Longitude : 22.6500 ‹ previous : +359-77-(290000...299999) next › : +359-77-(320000...329999) Dialling Instructions For trunk calls: 0 77 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 77 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +359-77-310000 / 00359-77-310000 (077-310000 / 0-77-310000) +359-77-310001 / 00359-77-310001 (077-310001 / 0-77-310001) +359-77-310002 / 00359-77-310002 (077-310002 / 0-77-310002) +359-77-310003 / 00359-77-310003 (077-310003 / 0-77-310003) +359-77-310004 / 00359-77-310004 (077-310004 / 0-77-310004) ...+359-77-xxxxxx / 00359-77-xxxxxx (077-xxxxxx / 0-77-xxxxxx) ...+359-77-319995 / 00359-77-319995 (077-319995 / 0-77-319995) +359-77-319996 / 00359-77-319996 (077-319996 / 0-77-319996) +359-77-319997 / 00359-77-319997 (077-319997 / 0-77-319997) +359-77-319998 / 00359-77-319998 (077-319998 / 0-77-319998) +359-77-319999 / 00359-77-319999 (077-319999 / 0-77-319999)