Area Code +386-3-(5777000...5779999) located in Celje, Trbovlje, more detail is as below. Place International Dialing Code : 386 International Prefix : 00 National Prefix : 0 National Destination Code : 3 Subscriber Number From : 5777000 Subscriber Number To : 5779999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Telekom Slovenije d.d. Click here to buy Slovenia Area Code Database Other Information Language Code : sl (Slovenian) Country Number : 705 (Slovenia) Country Code : SI (Slovenia) City : Celje, Trbovlje Timezone : Europe/Ljubljana Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 46.2300 Longitude : 15.2600 ‹ previous : +386-3-(5770000...5775999) next › : +386-3-(5791000...5799999) Dialling Instructions For trunk calls: 0 3 5777000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 386 3 5777000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5777000 ~ 5779999 (Count: 3,000) Example: +386-3-5777000 / 00386-3-5777000 (03-5777000 / 0-3-5777000) +386-3-5777001 / 00386-3-5777001 (03-5777001 / 0-3-5777001) +386-3-5777002 / 00386-3-5777002 (03-5777002 / 0-3-5777002) +386-3-5777003 / 00386-3-5777003 (03-5777003 / 0-3-5777003) +386-3-5777004 / 00386-3-5777004 (03-5777004 / 0-3-5777004) ...+386-3-xxxxxxx / 00386-3-xxxxxxx (03-xxxxxxx / 0-3-xxxxxxx) ...+386-3-5779995 / 00386-3-5779995 (03-5779995 / 0-3-5779995) +386-3-5779996 / 00386-3-5779996 (03-5779996 / 0-3-5779996) +386-3-5779997 / 00386-3-5779997 (03-5779997 / 0-3-5779997) +386-3-5779998 / 00386-3-5779998 (03-5779998 / 0-3-5779998) +386-3-5779999 / 00386-3-5779999 (03-5779999 / 0-3-5779999)