Area Code +251-57-(7770000...7779999) located in Billa, Western Region (Region 9), more detail is as below. Place International Dialing Code : 251 International Prefix : 00 National Prefix : 0 National Destination Code : 57 Subscriber Number From : 7770000 Subscriber Number To : 7779999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Ethiopian Telecommunications Corporation Click here to buy Ethiopia Area Code Database Other Information Language Code : am (Amharic) Country Number : 231 (Ethiopia) Country Code : ET (Ethiopia) Region Name : Western Region (Region 9) City : Billa Timezone : Africa/Addis_Ababa Coordinated Universal Time : +03:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : None Longitude : None ‹ previous : +251-57-(7760000...7769999) next › : +251-57-(7780000...7789999) Dialling Instructions For trunk calls: 0 57 7770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 251 57 7770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7770000 ~ 7779999 (Count: 10,000) Example: +251-57-7770000 / 00251-57-7770000 (057-7770000 / 0-57-7770000) +251-57-7770001 / 00251-57-7770001 (057-7770001 / 0-57-7770001) +251-57-7770002 / 00251-57-7770002 (057-7770002 / 0-57-7770002) +251-57-7770003 / 00251-57-7770003 (057-7770003 / 0-57-7770003) +251-57-7770004 / 00251-57-7770004 (057-7770004 / 0-57-7770004) ...+251-57-xxxxxxx / 00251-57-xxxxxxx (057-xxxxxxx / 0-57-xxxxxxx) ...+251-57-7779995 / 00251-57-7779995 (057-7779995 / 0-57-7779995) +251-57-7779996 / 00251-57-7779996 (057-7779996 / 0-57-7779996) +251-57-7779997 / 00251-57-7779997 (057-7779997 / 0-57-7779997) +251-57-7779998 / 00251-57-7779998 (057-7779998 / 0-57-7779998) +251-57-7779999 / 00251-57-7779999 (057-7779999 / 0-57-7779999)