Area Code +41-21-(5170000...5179999) located in Lausanne, Vaud (VD), more detail is as below. Place International Dialing Code : 41 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 5170000 Subscriber Number To : 5179999 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 : BSE Software GmbH Click here to buy Switzerland Area Code Database Other Information Language Code : fr (French) Country Number : 756 (Switzerland) Country Code : CH (Switzerland) Region Code : VD Region Name : Vaud City : Lausanne Timezone : Europe/Zurich Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 46.5200 Longitude : 6.6300 ‹ previous : +41-21-(5150000...5159999) next › : +41-21-(5190000...5199999) Dialling Instructions For trunk calls: 0 21 5170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 21 5170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5170000 ~ 5179999 (Count: 10,000) Example: +41-21-5170000 / 0041-21-5170000 (021-5170000 / 0-21-5170000) +41-21-5170001 / 0041-21-5170001 (021-5170001 / 0-21-5170001) +41-21-5170002 / 0041-21-5170002 (021-5170002 / 0-21-5170002) +41-21-5170003 / 0041-21-5170003 (021-5170003 / 0-21-5170003) +41-21-5170004 / 0041-21-5170004 (021-5170004 / 0-21-5170004) ...+41-21-xxxxxxx / 0041-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+41-21-5179995 / 0041-21-5179995 (021-5179995 / 0-21-5179995) +41-21-5179996 / 0041-21-5179996 (021-5179996 / 0-21-5179996) +41-21-5179997 / 0041-21-5179997 (021-5179997 / 0-21-5179997) +41-21-5179998 / 0041-21-5179998 (021-5179998 / 0-21-5179998) +41-21-5179999 / 0041-21-5179999 (021-5179999 / 0-21-5179999)