Area Code +41-21-(3370000...3379999) 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 : 3370000 Subscriber Number To : 3379999 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-(3360000...3369999) next › : +41-21-(3400000...3409999) Dialling Instructions For trunk calls: 0 21 3370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 21 3370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3370000 ~ 3379999 (Count: 10,000) Example: +41-21-3370000 / 0041-21-3370000 (021-3370000 / 0-21-3370000) +41-21-3370001 / 0041-21-3370001 (021-3370001 / 0-21-3370001) +41-21-3370002 / 0041-21-3370002 (021-3370002 / 0-21-3370002) +41-21-3370003 / 0041-21-3370003 (021-3370003 / 0-21-3370003) +41-21-3370004 / 0041-21-3370004 (021-3370004 / 0-21-3370004) ...+41-21-xxxxxxx / 0041-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+41-21-3379995 / 0041-21-3379995 (021-3379995 / 0-21-3379995) +41-21-3379996 / 0041-21-3379996 (021-3379996 / 0-21-3379996) +41-21-3379997 / 0041-21-3379997 (021-3379997 / 0-21-3379997) +41-21-3379998 / 0041-21-3379998 (021-3379998 / 0-21-3379998) +41-21-3379999 / 0041-21-3379999 (021-3379999 / 0-21-3379999)