Area Code +359-37-(850000...859999) located in Trojan, Haskovo (26), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 37 Subscriber Number From : 850000 Subscriber Number To : 859999 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 : 26 Region Name : Haskovo City : Trojan Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.0600 Longitude : 25.9100 ‹ previous : +359-37-(840000...849999) next › : +359-37-(860000...869999) Dialling Instructions For trunk calls: 0 37 850000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 37 850000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 850000 ~ 859999 (Count: 10,000) Example: +359-37-850000 / 00359-37-850000 (037-850000 / 0-37-850000) +359-37-850001 / 00359-37-850001 (037-850001 / 0-37-850001) +359-37-850002 / 00359-37-850002 (037-850002 / 0-37-850002) +359-37-850003 / 00359-37-850003 (037-850003 / 0-37-850003) +359-37-850004 / 00359-37-850004 (037-850004 / 0-37-850004) ...+359-37-xxxxxx / 00359-37-xxxxxx (037-xxxxxx / 0-37-xxxxxx) ...+359-37-859995 / 00359-37-859995 (037-859995 / 0-37-859995) +359-37-859996 / 00359-37-859996 (037-859996 / 0-37-859996) +359-37-859997 / 00359-37-859997 (037-859997 / 0-37-859997) +359-37-859998 / 00359-37-859998 (037-859998 / 0-37-859998) +359-37-859999 / 00359-37-859999 (037-859999 / 0-37-859999)