Area Code +41-21-(3400000...3409999) 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 : 3400000 Subscriber Number To : 3409999 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-(3370000...3379999) next › : +41-21-(3410000...3419999) Dialling Instructions For trunk calls: 0 21 3400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 21 3400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3400000 ~ 3409999 (Count: 10,000) Example: +41-21-3400000 / 0041-21-3400000 (021-3400000 / 0-21-3400000) +41-21-3400001 / 0041-21-3400001 (021-3400001 / 0-21-3400001) +41-21-3400002 / 0041-21-3400002 (021-3400002 / 0-21-3400002) +41-21-3400003 / 0041-21-3400003 (021-3400003 / 0-21-3400003) +41-21-3400004 / 0041-21-3400004 (021-3400004 / 0-21-3400004) ...+41-21-xxxxxxx / 0041-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+41-21-3409995 / 0041-21-3409995 (021-3409995 / 0-21-3409995) +41-21-3409996 / 0041-21-3409996 (021-3409996 / 0-21-3409996) +41-21-3409997 / 0041-21-3409997 (021-3409997 / 0-21-3409997) +41-21-3409998 / 0041-21-3409998 (021-3409998 / 0-21-3409998) +41-21-3409999 / 0041-21-3409999 (021-3409999 / 0-21-3409999)