Area Code +41-78-(6630000...6639999) 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 : 6630000 Subscriber Number To : 6639999 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-(6620000...6629999) next › : +41-78-(6640000...6649999) Dialling Instructions For trunk calls: 0 78 6630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 78 6630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6630000 ~ 6639999 (Count: 10,000) Example: +41-78-6630000 / 0041-78-6630000 (078-6630000 / 0-78-6630000) +41-78-6630001 / 0041-78-6630001 (078-6630001 / 0-78-6630001) +41-78-6630002 / 0041-78-6630002 (078-6630002 / 0-78-6630002) +41-78-6630003 / 0041-78-6630003 (078-6630003 / 0-78-6630003) +41-78-6630004 / 0041-78-6630004 (078-6630004 / 0-78-6630004) ...+41-78-xxxxxxx / 0041-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+41-78-6639995 / 0041-78-6639995 (078-6639995 / 0-78-6639995) +41-78-6639996 / 0041-78-6639996 (078-6639996 / 0-78-6639996) +41-78-6639997 / 0041-78-6639997 (078-6639997 / 0-78-6639997) +41-78-6639998 / 0041-78-6639998 (078-6639998 / 0-78-6639998) +41-78-6639999 / 0041-78-6639999 (078-6639999 / 0-78-6639999)