Area Code +359-81-(160000...169999) located in Ivanovo, Ruse (18), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 81 Subscriber Number From : 160000 Subscriber Number To : 169999 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 : 18 Region Name : Ruse City : Ivanovo Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : None Longitude : None ‹ previous : +359-81-(150000...159999) next › : +359-81-(170000...179999) Dialling Instructions For trunk calls: 0 81 160000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 81 160000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 160000 ~ 169999 (Count: 10,000) Example: +359-81-160000 / 00359-81-160000 (081-160000 / 0-81-160000) +359-81-160001 / 00359-81-160001 (081-160001 / 0-81-160001) +359-81-160002 / 00359-81-160002 (081-160002 / 0-81-160002) +359-81-160003 / 00359-81-160003 (081-160003 / 0-81-160003) +359-81-160004 / 00359-81-160004 (081-160004 / 0-81-160004) ...+359-81-xxxxxx / 00359-81-xxxxxx (081-xxxxxx / 0-81-xxxxxx) ...+359-81-169995 / 00359-81-169995 (081-169995 / 0-81-169995) +359-81-169996 / 00359-81-169996 (081-169996 / 0-81-169996) +359-81-169997 / 00359-81-169997 (081-169997 / 0-81-169997) +359-81-169998 / 00359-81-169998 (081-169998 / 0-81-169998) +359-81-169999 / 00359-81-169999 (081-169999 / 0-81-169999)