Area Code +359-57-(550000...559999) located in Kolarci, Dobrich (08), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 57 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 : 08 Region Name : Dobrich City : Kolarci Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.8400 Longitude : 27.5400 ‹ previous : +359-57-(540000...549999) next › : +359-57-(560000...569999) Dialling Instructions For trunk calls: 0 57 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 57 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 559999 (Count: 10,000) Example: +359-57-550000 / 00359-57-550000 (057-550000 / 0-57-550000) +359-57-550001 / 00359-57-550001 (057-550001 / 0-57-550001) +359-57-550002 / 00359-57-550002 (057-550002 / 0-57-550002) +359-57-550003 / 00359-57-550003 (057-550003 / 0-57-550003) +359-57-550004 / 00359-57-550004 (057-550004 / 0-57-550004) ...+359-57-xxxxxx / 00359-57-xxxxxx (057-xxxxxx / 0-57-xxxxxx) ...+359-57-559995 / 00359-57-559995 (057-559995 / 0-57-559995) +359-57-559996 / 00359-57-559996 (057-559996 / 0-57-559996) +359-57-559997 / 00359-57-559997 (057-559997 / 0-57-559997) +359-57-559998 / 00359-57-559998 (057-559998 / 0-57-559998) +359-57-559999 / 00359-57-559999 (057-559999 / 0-57-559999)