Area Code +41-78-(8170000...8179999) 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 : 8170000 Subscriber Number To : 8179999 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-(8160000...8169999) next › : +41-78-(8180000...8189999) Dialling Instructions For trunk calls: 0 78 8170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 78 8170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8170000 ~ 8179999 (Count: 10,000) Example: +41-78-8170000 / 0041-78-8170000 (078-8170000 / 0-78-8170000) +41-78-8170001 / 0041-78-8170001 (078-8170001 / 0-78-8170001) +41-78-8170002 / 0041-78-8170002 (078-8170002 / 0-78-8170002) +41-78-8170003 / 0041-78-8170003 (078-8170003 / 0-78-8170003) +41-78-8170004 / 0041-78-8170004 (078-8170004 / 0-78-8170004) ...+41-78-xxxxxxx / 0041-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+41-78-8179995 / 0041-78-8179995 (078-8179995 / 0-78-8179995) +41-78-8179996 / 0041-78-8179996 (078-8179996 / 0-78-8179996) +41-78-8179997 / 0041-78-8179997 (078-8179997 / 0-78-8179997) +41-78-8179998 / 0041-78-8179998 (078-8179998 / 0-78-8179998) +41-78-8179999 / 0041-78-8179999 (078-8179999 / 0-78-8179999)