Area Code +359-57-(230000...239999) located in Gurkovo, 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 : 230000 Subscriber Number To : 239999 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 : Gurkovo Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.4800 Longitude : 28.2200 ‹ previous : +359-57-(190000...199999) next › : +359-57-(240000...249999) Dialling Instructions For trunk calls: 0 57 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 57 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 239999 (Count: 10,000) Example: +359-57-230000 / 00359-57-230000 (057-230000 / 0-57-230000) +359-57-230001 / 00359-57-230001 (057-230001 / 0-57-230001) +359-57-230002 / 00359-57-230002 (057-230002 / 0-57-230002) +359-57-230003 / 00359-57-230003 (057-230003 / 0-57-230003) +359-57-230004 / 00359-57-230004 (057-230004 / 0-57-230004) ...+359-57-xxxxxx / 00359-57-xxxxxx (057-xxxxxx / 0-57-xxxxxx) ...+359-57-239995 / 00359-57-239995 (057-239995 / 0-57-239995) +359-57-239996 / 00359-57-239996 (057-239996 / 0-57-239996) +359-57-239997 / 00359-57-239997 (057-239997 / 0-57-239997) +359-57-239998 / 00359-57-239998 (057-239998 / 0-57-239998) +359-57-239999 / 00359-57-239999 (057-239999 / 0-57-239999)