Area Code +41-78-(3420000...3429999) located in Mobile Telephony GSM, more detail is as below. Place International Dialing Code : 41 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 3420000 Subscriber Number To : 3429999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : Orange Communications SA Click here to buy Switzerland Area Code Database Other Information Language Code : fr (French) Country Number : 756 (Switzerland) Country Code : CH (Switzerland) City : Mobile Telephony GSM Timezone : Europe/Zurich Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.3700 Longitude : 8.5400 ‹ previous : +41-78-(3410000...3419999) next › : +41-78-(3430000...3439999) Dialling Instructions For trunk calls: 0 78 3420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 78 3420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3420000 ~ 3429999 (Count: 10,000) Example: +41-78-3420000 / 0041-78-3420000 (078-3420000 / 0-78-3420000) +41-78-3420001 / 0041-78-3420001 (078-3420001 / 0-78-3420001) +41-78-3420002 / 0041-78-3420002 (078-3420002 / 0-78-3420002) +41-78-3420003 / 0041-78-3420003 (078-3420003 / 0-78-3420003) +41-78-3420004 / 0041-78-3420004 (078-3420004 / 0-78-3420004) ...+41-78-xxxxxxx / 0041-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+41-78-3429995 / 0041-78-3429995 (078-3429995 / 0-78-3429995) +41-78-3429996 / 0041-78-3429996 (078-3429996 / 0-78-3429996) +41-78-3429997 / 0041-78-3429997 (078-3429997 / 0-78-3429997) +41-78-3429998 / 0041-78-3429998 (078-3429998 / 0-78-3429998) +41-78-3429999 / 0041-78-3429999 (078-3429999 / 0-78-3429999)