Area Code +359-31-(330000...339999) located in Kalofer, Plovdiv (16), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 31 Subscriber Number From : 330000 Subscriber Number To : 339999 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 : 16 Region Name : Plovdiv City : Kalofer Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.6100 Longitude : 24.9700 ‹ previous : +359-31-(329000...329999) next › : +359-31-(340000...349999) Dialling Instructions For trunk calls: 0 31 330000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 31 330000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 330000 ~ 339999 (Count: 10,000) Example: +359-31-330000 / 00359-31-330000 (031-330000 / 0-31-330000) +359-31-330001 / 00359-31-330001 (031-330001 / 0-31-330001) +359-31-330002 / 00359-31-330002 (031-330002 / 0-31-330002) +359-31-330003 / 00359-31-330003 (031-330003 / 0-31-330003) +359-31-330004 / 00359-31-330004 (031-330004 / 0-31-330004) ...+359-31-xxxxxx / 00359-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+359-31-339995 / 00359-31-339995 (031-339995 / 0-31-339995) +359-31-339996 / 00359-31-339996 (031-339996 / 0-31-339996) +359-31-339997 / 00359-31-339997 (031-339997 / 0-31-339997) +359-31-339998 / 00359-31-339998 (031-339998 / 0-31-339998) +359-31-339999 / 00359-31-339999 (031-339999 / 0-31-339999)