Area Code +359-30-(770000...779999) located in Sredec, Smolyan (21), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 30 Subscriber Number From : 770000 Subscriber Number To : 779999 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 : 21 Region Name : Smolyan City : Sredec Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 41.4900 Longitude : 25.1200 ‹ previous : +359-30-(760000...769999) next › : +359-30-(790000...799999) Dialling Instructions For trunk calls: 0 30 770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 30 770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 770000 ~ 779999 (Count: 10,000) Example: +359-30-770000 / 00359-30-770000 (030-770000 / 0-30-770000) +359-30-770001 / 00359-30-770001 (030-770001 / 0-30-770001) +359-30-770002 / 00359-30-770002 (030-770002 / 0-30-770002) +359-30-770003 / 00359-30-770003 (030-770003 / 0-30-770003) +359-30-770004 / 00359-30-770004 (030-770004 / 0-30-770004) ...+359-30-xxxxxx / 00359-30-xxxxxx (030-xxxxxx / 0-30-xxxxxx) ...+359-30-779995 / 00359-30-779995 (030-779995 / 0-30-779995) +359-30-779996 / 00359-30-779996 (030-779996 / 0-30-779996) +359-30-779997 / 00359-30-779997 (030-779997 / 0-30-779997) +359-30-779998 / 00359-30-779998 (030-779998 / 0-30-779998) +359-30-779999 / 00359-30-779999 (030-779999 / 0-30-779999)