Area Code +359-77-(550000...559999) located in Velkovci, 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 : 550000 Subscriber Number To : 559999 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 : Velkovci Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.6700 Longitude : 22.9500 ‹ previous : +359-77-(540000...549999) next › : +359-77-(700000...799999) Dialling Instructions For trunk calls: 0 77 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 77 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 559999 (Count: 10,000) Example: +359-77-550000 / 00359-77-550000 (077-550000 / 0-77-550000) +359-77-550001 / 00359-77-550001 (077-550001 / 0-77-550001) +359-77-550002 / 00359-77-550002 (077-550002 / 0-77-550002) +359-77-550003 / 00359-77-550003 (077-550003 / 0-77-550003) +359-77-550004 / 00359-77-550004 (077-550004 / 0-77-550004) ...+359-77-xxxxxx / 00359-77-xxxxxx (077-xxxxxx / 0-77-xxxxxx) ...+359-77-559995 / 00359-77-559995 (077-559995 / 0-77-559995) +359-77-559996 / 00359-77-559996 (077-559996 / 0-77-559996) +359-77-559997 / 00359-77-559997 (077-559997 / 0-77-559997) +359-77-559998 / 00359-77-559998 (077-559998 / 0-77-559998) +359-77-559999 / 00359-77-559999 (077-559999 / 0-77-559999)