Area Code +41-78-(3390000...3399999) 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 : 3390000 Subscriber Number To : 3399999 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-(3380000...3389999) next › : +41-78-(3400000...3409999) Dialling Instructions For trunk calls: 0 78 3390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 78 3390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3390000 ~ 3399999 (Count: 10,000) Example: +41-78-3390000 / 0041-78-3390000 (078-3390000 / 0-78-3390000) +41-78-3390001 / 0041-78-3390001 (078-3390001 / 0-78-3390001) +41-78-3390002 / 0041-78-3390002 (078-3390002 / 0-78-3390002) +41-78-3390003 / 0041-78-3390003 (078-3390003 / 0-78-3390003) +41-78-3390004 / 0041-78-3390004 (078-3390004 / 0-78-3390004) ...+41-78-xxxxxxx / 0041-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+41-78-3399995 / 0041-78-3399995 (078-3399995 / 0-78-3399995) +41-78-3399996 / 0041-78-3399996 (078-3399996 / 0-78-3399996) +41-78-3399997 / 0041-78-3399997 (078-3399997 / 0-78-3399997) +41-78-3399998 / 0041-78-3399998 (078-3399998 / 0-78-3399998) +41-78-3399999 / 0041-78-3399999 (078-3399999 / 0-78-3399999)