Area Code +359-37-(770000...779999) located in Mezek, Haskovo (26), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 37 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 : 26 Region Name : Haskovo City : Mezek Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 41.7400 Longitude : 26.0900 ‹ previous : +359-37-(760000...769999) next › : +359-37-(780000...789999) Dialling Instructions For trunk calls: 0 37 770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 37 770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 770000 ~ 779999 (Count: 10,000) Example: +359-37-770000 / 00359-37-770000 (037-770000 / 0-37-770000) +359-37-770001 / 00359-37-770001 (037-770001 / 0-37-770001) +359-37-770002 / 00359-37-770002 (037-770002 / 0-37-770002) +359-37-770003 / 00359-37-770003 (037-770003 / 0-37-770003) +359-37-770004 / 00359-37-770004 (037-770004 / 0-37-770004) ...+359-37-xxxxxx / 00359-37-xxxxxx (037-xxxxxx / 0-37-xxxxxx) ...+359-37-779995 / 00359-37-779995 (037-779995 / 0-37-779995) +359-37-779996 / 00359-37-779996 (037-779996 / 0-37-779996) +359-37-779997 / 00359-37-779997 (037-779997 / 0-37-779997) +359-37-779998 / 00359-37-779998 (037-779998 / 0-37-779998) +359-37-779999 / 00359-37-779999 (037-779999 / 0-37-779999)