Area Code +359-37-(820000...829999) located in Kalugerovo, 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 : 820000 Subscriber Number To : 829999 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 : Kalugerovo Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.0900 Longitude : 25.8700 ‹ previous : +359-37-(810000...819999) next › : +359-37-(830000...839999) Dialling Instructions For trunk calls: 0 37 820000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 37 820000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 820000 ~ 829999 (Count: 10,000) Example: +359-37-820000 / 00359-37-820000 (037-820000 / 0-37-820000) +359-37-820001 / 00359-37-820001 (037-820001 / 0-37-820001) +359-37-820002 / 00359-37-820002 (037-820002 / 0-37-820002) +359-37-820003 / 00359-37-820003 (037-820003 / 0-37-820003) +359-37-820004 / 00359-37-820004 (037-820004 / 0-37-820004) ...+359-37-xxxxxx / 00359-37-xxxxxx (037-xxxxxx / 0-37-xxxxxx) ...+359-37-829995 / 00359-37-829995 (037-829995 / 0-37-829995) +359-37-829996 / 00359-37-829996 (037-829996 / 0-37-829996) +359-37-829997 / 00359-37-829997 (037-829997 / 0-37-829997) +359-37-829998 / 00359-37-829998 (037-829998 / 0-37-829998) +359-37-829999 / 00359-37-829999 (037-829999 / 0-37-829999)