Area Code +41-21-(5500000...5509999) 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 : 5500000 Subscriber Number To : 5509999 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 : Switzernet S 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-(5470000...5479999) next › : +41-21-(5520000...5529999) Dialling Instructions For trunk calls: 0 21 5500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 21 5500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5500000 ~ 5509999 (Count: 10,000) Example: +41-21-5500000 / 0041-21-5500000 (021-5500000 / 0-21-5500000) +41-21-5500001 / 0041-21-5500001 (021-5500001 / 0-21-5500001) +41-21-5500002 / 0041-21-5500002 (021-5500002 / 0-21-5500002) +41-21-5500003 / 0041-21-5500003 (021-5500003 / 0-21-5500003) +41-21-5500004 / 0041-21-5500004 (021-5500004 / 0-21-5500004) ...+41-21-xxxxxxx / 0041-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+41-21-5509995 / 0041-21-5509995 (021-5509995 / 0-21-5509995) +41-21-5509996 / 0041-21-5509996 (021-5509996 / 0-21-5509996) +41-21-5509997 / 0041-21-5509997 (021-5509997 / 0-21-5509997) +41-21-5509998 / 0041-21-5509998 (021-5509998 / 0-21-5509998) +41-21-5509999 / 0041-21-5509999 (021-5509999 / 0-21-5509999)