Area Code +359-431-(00000...99999) located in Kazanlak, Stara Zagora (24), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 431 Subscriber Number From : 00000 Subscriber Number To : 99999 National Destination Code Length : 3 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 : 24 Region Name : Stara Zagora City : Kazanlak Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.6200 Longitude : 25.3900 ‹ previous : +359-430-(000000000...999999999) next › : +359-432-(10000...19999) Dialling Instructions For trunk calls: 0 431 00000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 431 00000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000 ~ 99999 (Count: 100,000) Example: +359-431-00000 / 00359-431-00000 (0431-00000 / 0-431-00000) +359-431-00001 / 00359-431-00001 (0431-00001 / 0-431-00001) +359-431-00002 / 00359-431-00002 (0431-00002 / 0-431-00002) +359-431-00003 / 00359-431-00003 (0431-00003 / 0-431-00003) +359-431-00004 / 00359-431-00004 (0431-00004 / 0-431-00004) ...+359-431-xxxxx / 00359-431-xxxxx (0431-xxxxx / 0-431-xxxxx) ...+359-431-99995 / 00359-431-99995 (0431-99995 / 0-431-99995) +359-431-99996 / 00359-431-99996 (0431-99996 / 0-431-99996) +359-431-99997 / 00359-431-99997 (0431-99997 / 0-431-99997) +359-431-99998 / 00359-431-99998 (0431-99998 / 0-431-99998) +359-431-99999 / 00359-431-99999 (0431-99999 / 0-431-99999)