Area Code +359-31-(540000...549999) located in Chalukovi, 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 : 540000 Subscriber Number To : 549999 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 : Chalukovi Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.1600 Longitude : 25.0100 ‹ previous : +359-31-(530000...539999) next › : +359-31-(550000...559999) Dialling Instructions For trunk calls: 0 31 540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 31 540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 540000 ~ 549999 (Count: 10,000) Example: +359-31-540000 / 00359-31-540000 (031-540000 / 0-31-540000) +359-31-540001 / 00359-31-540001 (031-540001 / 0-31-540001) +359-31-540002 / 00359-31-540002 (031-540002 / 0-31-540002) +359-31-540003 / 00359-31-540003 (031-540003 / 0-31-540003) +359-31-540004 / 00359-31-540004 (031-540004 / 0-31-540004) ...+359-31-xxxxxx / 00359-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+359-31-549995 / 00359-31-549995 (031-549995 / 0-31-549995) +359-31-549996 / 00359-31-549996 (031-549996 / 0-31-549996) +359-31-549997 / 00359-31-549997 (031-549997 / 0-31-549997) +359-31-549998 / 00359-31-549998 (031-549998 / 0-31-549998) +359-31-549999 / 00359-31-549999 (031-549999 / 0-31-549999)