Area Code +41-58-(7770000...7779999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 41 International Prefix : 00 National Prefix : 0 National Destination Code : 58 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 : D (D) Carrier Name : Sunrise Communications AG Click here to buy Switzerland Area Code Database Other Information Language Code : fr (French) Country Number : 756 (Switzerland) Country Code : CH (Switzerland) City : Corporate Numbers Timezone : Europe/Zurich Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.3600 Longitude : 8.5300 ‹ previous : +41-58-(7760000...7769999) next › : +41-58-(7860000...7869999) Dialling Instructions For trunk calls: 0 58 7770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 58 7770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7770000 ~ 7779999 (Count: 10,000) Example: +41-58-7770000 / 0041-58-7770000 (058-7770000 / 0-58-7770000) +41-58-7770001 / 0041-58-7770001 (058-7770001 / 0-58-7770001) +41-58-7770002 / 0041-58-7770002 (058-7770002 / 0-58-7770002) +41-58-7770003 / 0041-58-7770003 (058-7770003 / 0-58-7770003) +41-58-7770004 / 0041-58-7770004 (058-7770004 / 0-58-7770004) ...+41-58-xxxxxxx / 0041-58-xxxxxxx (058-xxxxxxx / 0-58-xxxxxxx) ...+41-58-7779995 / 0041-58-7779995 (058-7779995 / 0-58-7779995) +41-58-7779996 / 0041-58-7779996 (058-7779996 / 0-58-7779996) +41-58-7779997 / 0041-58-7779997 (058-7779997 / 0-58-7779997) +41-58-7779998 / 0041-58-7779998 (058-7779998 / 0-58-7779998) +41-58-7779999 / 0041-58-7779999 (058-7779999 / 0-58-7779999)