Area Code +359-45-(400000...499999) located in Tvurdica, Sliven (20), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 45 Subscriber Number From : 400000 Subscriber Number To : 499999 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 : 20 Region Name : Sliven City : Tvurdica Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : None Longitude : None ‹ previous : +359-45-(300000...399999) next › : +359-45-(510000...519999) Dialling Instructions For trunk calls: 0 45 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 45 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 499999 (Count: 100,000) Example: +359-45-400000 / 00359-45-400000 (045-400000 / 0-45-400000) +359-45-400001 / 00359-45-400001 (045-400001 / 0-45-400001) +359-45-400002 / 00359-45-400002 (045-400002 / 0-45-400002) +359-45-400003 / 00359-45-400003 (045-400003 / 0-45-400003) +359-45-400004 / 00359-45-400004 (045-400004 / 0-45-400004) ...+359-45-xxxxxx / 00359-45-xxxxxx (045-xxxxxx / 0-45-xxxxxx) ...+359-45-499995 / 00359-45-499995 (045-499995 / 0-45-499995) +359-45-499996 / 00359-45-499996 (045-499996 / 0-45-499996) +359-45-499997 / 00359-45-499997 (045-499997 / 0-45-499997) +359-45-499998 / 00359-45-499998 (045-499998 / 0-45-499998) +359-45-499999 / 00359-45-499999 (045-499999 / 0-45-499999)