Area Code +359-37-(020000...029999) located in Balkan, 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 : 020000 Subscriber Number To : 029999 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 : Balkan Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 41.7700 Longitude : 25.5700 ‹ previous : +359-37-(010000...019999) next › : +359-37-(030000...039999) Dialling Instructions For trunk calls: 0 37 020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 37 020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 020000 ~ 029999 (Count: 10,000) Example: +359-37-020000 / 00359-37-020000 (037-020000 / 0-37-020000) +359-37-020001 / 00359-37-020001 (037-020001 / 0-37-020001) +359-37-020002 / 00359-37-020002 (037-020002 / 0-37-020002) +359-37-020003 / 00359-37-020003 (037-020003 / 0-37-020003) +359-37-020004 / 00359-37-020004 (037-020004 / 0-37-020004) ...+359-37-xxxxxx / 00359-37-xxxxxx (037-xxxxxx / 0-37-xxxxxx) ...+359-37-029995 / 00359-37-029995 (037-029995 / 0-37-029995) +359-37-029996 / 00359-37-029996 (037-029996 / 0-37-029996) +359-37-029997 / 00359-37-029997 (037-029997 / 0-37-029997) +359-37-029998 / 00359-37-029998 (037-029998 / 0-37-029998) +359-37-029999 / 00359-37-029999 (037-029999 / 0-37-029999)