Area Code +41-78-(4020000...4029999) 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 : 4020000 Subscriber Number To : 4029999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : upc cablecom GmbH 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-(4010000...4019999) next › : +41-78-(4030000...4039999) Dialling Instructions For trunk calls: 0 78 4020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 78 4020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4020000 ~ 4029999 (Count: 10,000) Example: +41-78-4020000 / 0041-78-4020000 (078-4020000 / 0-78-4020000) +41-78-4020001 / 0041-78-4020001 (078-4020001 / 0-78-4020001) +41-78-4020002 / 0041-78-4020002 (078-4020002 / 0-78-4020002) +41-78-4020003 / 0041-78-4020003 (078-4020003 / 0-78-4020003) +41-78-4020004 / 0041-78-4020004 (078-4020004 / 0-78-4020004) ...+41-78-xxxxxxx / 0041-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+41-78-4029995 / 0041-78-4029995 (078-4029995 / 0-78-4029995) +41-78-4029996 / 0041-78-4029996 (078-4029996 / 0-78-4029996) +41-78-4029997 / 0041-78-4029997 (078-4029997 / 0-78-4029997) +41-78-4029998 / 0041-78-4029998 (078-4029998 / 0-78-4029998) +41-78-4029999 / 0041-78-4029999 (078-4029999 / 0-78-4029999)