Area Code +359-31-(630000...639999) located in Iskra, 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 : 630000 Subscriber Number To : 639999 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 : Iskra Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 41.9300 Longitude : 25.1300 ‹ previous : +359-31-(629000...629999) next › : +359-31-(640000...649999) Dialling Instructions For trunk calls: 0 31 630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 31 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 630000 ~ 639999 (Count: 10,000) Example: +359-31-630000 / 00359-31-630000 (031-630000 / 0-31-630000) +359-31-630001 / 00359-31-630001 (031-630001 / 0-31-630001) +359-31-630002 / 00359-31-630002 (031-630002 / 0-31-630002) +359-31-630003 / 00359-31-630003 (031-630003 / 0-31-630003) +359-31-630004 / 00359-31-630004 (031-630004 / 0-31-630004) ...+359-31-xxxxxx / 00359-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+359-31-639995 / 00359-31-639995 (031-639995 / 0-31-639995) +359-31-639996 / 00359-31-639996 (031-639996 / 0-31-639996) +359-31-639997 / 00359-31-639997 (031-639997 / 0-31-639997) +359-31-639998 / 00359-31-639998 (031-639998 / 0-31-639998) +359-31-639999 / 00359-31-639999 (031-639999 / 0-31-639999)