Area Code +41-58-(0030000...0039999) 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 : 0030000 Subscriber Number To : 0039999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : D (D) Carrier Name : COLT Telecom Services 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 : +41-56-(6780000...6789999) next › : +41-58-(0040000...0049999) Dialling Instructions For trunk calls: 0 58 0030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 58 0030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0030000 ~ 0039999 (Count: 10,000) Example: +41-58-0030000 / 0041-58-0030000 (058-0030000 / 0-58-0030000) +41-58-0030001 / 0041-58-0030001 (058-0030001 / 0-58-0030001) +41-58-0030002 / 0041-58-0030002 (058-0030002 / 0-58-0030002) +41-58-0030003 / 0041-58-0030003 (058-0030003 / 0-58-0030003) +41-58-0030004 / 0041-58-0030004 (058-0030004 / 0-58-0030004) ...+41-58-xxxxxxx / 0041-58-xxxxxxx (058-xxxxxxx / 0-58-xxxxxxx) ...+41-58-0039995 / 0041-58-0039995 (058-0039995 / 0-58-0039995) +41-58-0039996 / 0041-58-0039996 (058-0039996 / 0-58-0039996) +41-58-0039997 / 0041-58-0039997 (058-0039997 / 0-58-0039997) +41-58-0039998 / 0041-58-0039998 (058-0039998 / 0-58-0039998) +41-58-0039999 / 0041-58-0039999 (058-0039999 / 0-58-0039999)