Area Code +41-21-(3430000...3439999) 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 : 3430000 Subscriber Number To : 3439999 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 : Swisscom (Schweiz) AG 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-(3420000...3429999) next › : +41-21-(3440000...3449999) Dialling Instructions For trunk calls: 0 21 3430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 21 3430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3430000 ~ 3439999 (Count: 10,000) Example: +41-21-3430000 / 0041-21-3430000 (021-3430000 / 0-21-3430000) +41-21-3430001 / 0041-21-3430001 (021-3430001 / 0-21-3430001) +41-21-3430002 / 0041-21-3430002 (021-3430002 / 0-21-3430002) +41-21-3430003 / 0041-21-3430003 (021-3430003 / 0-21-3430003) +41-21-3430004 / 0041-21-3430004 (021-3430004 / 0-21-3430004) ...+41-21-xxxxxxx / 0041-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+41-21-3439995 / 0041-21-3439995 (021-3439995 / 0-21-3439995) +41-21-3439996 / 0041-21-3439996 (021-3439996 / 0-21-3439996) +41-21-3439997 / 0041-21-3439997 (021-3439997 / 0-21-3439997) +41-21-3439998 / 0041-21-3439998 (021-3439998 / 0-21-3439998) +41-21-3439999 / 0041-21-3439999 (021-3439999 / 0-21-3439999)