Area Code +359-57-(530000...539999) located in Orljak, 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 : 530000 Subscriber Number To : 539999 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 : Orljak Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.6400 Longitude : 27.3800 ‹ previous : +359-57-(520000...529999) next › : +359-57-(540000...549999) Dialling Instructions For trunk calls: 0 57 530000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 57 530000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 530000 ~ 539999 (Count: 10,000) Example: +359-57-530000 / 00359-57-530000 (057-530000 / 0-57-530000) +359-57-530001 / 00359-57-530001 (057-530001 / 0-57-530001) +359-57-530002 / 00359-57-530002 (057-530002 / 0-57-530002) +359-57-530003 / 00359-57-530003 (057-530003 / 0-57-530003) +359-57-530004 / 00359-57-530004 (057-530004 / 0-57-530004) ...+359-57-xxxxxx / 00359-57-xxxxxx (057-xxxxxx / 0-57-xxxxxx) ...+359-57-539995 / 00359-57-539995 (057-539995 / 0-57-539995) +359-57-539996 / 00359-57-539996 (057-539996 / 0-57-539996) +359-57-539997 / 00359-57-539997 (057-539997 / 0-57-539997) +359-57-539998 / 00359-57-539998 (057-539998 / 0-57-539998) +359-57-539999 / 00359-57-539999 (057-539999 / 0-57-539999)