Area Code +41-78-(8390000...8399999) 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 : 8390000 Subscriber Number To : 8399999 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-(8380000...8389999) next › : +41-78-(8400000...8409999) Dialling Instructions For trunk calls: 0 78 8390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 78 8390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8390000 ~ 8399999 (Count: 10,000) Example: +41-78-8390000 / 0041-78-8390000 (078-8390000 / 0-78-8390000) +41-78-8390001 / 0041-78-8390001 (078-8390001 / 0-78-8390001) +41-78-8390002 / 0041-78-8390002 (078-8390002 / 0-78-8390002) +41-78-8390003 / 0041-78-8390003 (078-8390003 / 0-78-8390003) +41-78-8390004 / 0041-78-8390004 (078-8390004 / 0-78-8390004) ...+41-78-xxxxxxx / 0041-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+41-78-8399995 / 0041-78-8399995 (078-8399995 / 0-78-8399995) +41-78-8399996 / 0041-78-8399996 (078-8399996 / 0-78-8399996) +41-78-8399997 / 0041-78-8399997 (078-8399997 / 0-78-8399997) +41-78-8399998 / 0041-78-8399998 (078-8399998 / 0-78-8399998) +41-78-8399999 / 0041-78-8399999 (078-8399999 / 0-78-8399999)