Area Code +359-31-(170000...179999) located in Katunica, 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 : 170000 Subscriber Number To : 179999 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 : Katunica Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 42.1000 Longitude : 24.8700 ‹ previous : +359-31-(160000...169999) next › : +359-31-(180000...189999) Dialling Instructions For trunk calls: 0 31 170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 31 170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 170000 ~ 179999 (Count: 10,000) Example: +359-31-170000 / 00359-31-170000 (031-170000 / 0-31-170000) +359-31-170001 / 00359-31-170001 (031-170001 / 0-31-170001) +359-31-170002 / 00359-31-170002 (031-170002 / 0-31-170002) +359-31-170003 / 00359-31-170003 (031-170003 / 0-31-170003) +359-31-170004 / 00359-31-170004 (031-170004 / 0-31-170004) ...+359-31-xxxxxx / 00359-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+359-31-179995 / 00359-31-179995 (031-179995 / 0-31-179995) +359-31-179996 / 00359-31-179996 (031-179996 / 0-31-179996) +359-31-179997 / 00359-31-179997 (031-179997 / 0-31-179997) +359-31-179998 / 00359-31-179998 (031-179998 / 0-31-179998) +359-31-179999 / 00359-31-179999 (031-179999 / 0-31-179999)