Area Code +41-78-(6660000...6669999) 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 : 6660000 Subscriber Number To : 6669999 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-(6650000...6659999) next › : +41-78-(6670000...6679999) Dialling Instructions For trunk calls: 0 78 6660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 78 6660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6660000 ~ 6669999 (Count: 10,000) Example: +41-78-6660000 / 0041-78-6660000 (078-6660000 / 0-78-6660000) +41-78-6660001 / 0041-78-6660001 (078-6660001 / 0-78-6660001) +41-78-6660002 / 0041-78-6660002 (078-6660002 / 0-78-6660002) +41-78-6660003 / 0041-78-6660003 (078-6660003 / 0-78-6660003) +41-78-6660004 / 0041-78-6660004 (078-6660004 / 0-78-6660004) ...+41-78-xxxxxxx / 0041-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+41-78-6669995 / 0041-78-6669995 (078-6669995 / 0-78-6669995) +41-78-6669996 / 0041-78-6669996 (078-6669996 / 0-78-6669996) +41-78-6669997 / 0041-78-6669997 (078-6669997 / 0-78-6669997) +41-78-6669998 / 0041-78-6669998 (078-6669998 / 0-78-6669998) +41-78-6669999 / 0041-78-6669999 (078-6669999 / 0-78-6669999)