Area Code +41-77-(4120000...4129999) located in Mobile Telephony GSM, more detail is as below. Place International Dialing Code : 41 International Prefix : 00 National Prefix : 0 National Destination Code : 77 Subscriber Number From : 4120000 Subscriber Number To : 4129999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : Swisscom (Schweiz) AG 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 : +41-77-(4110000...4119999) next › : +41-77-(4130000...4139999) Dialling Instructions For trunk calls: 0 77 4120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 77 4120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4120000 ~ 4129999 (Count: 10,000) Example: +41-77-4120000 / 0041-77-4120000 (077-4120000 / 0-77-4120000) +41-77-4120001 / 0041-77-4120001 (077-4120001 / 0-77-4120001) +41-77-4120002 / 0041-77-4120002 (077-4120002 / 0-77-4120002) +41-77-4120003 / 0041-77-4120003 (077-4120003 / 0-77-4120003) +41-77-4120004 / 0041-77-4120004 (077-4120004 / 0-77-4120004) ...+41-77-xxxxxxx / 0041-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+41-77-4129995 / 0041-77-4129995 (077-4129995 / 0-77-4129995) +41-77-4129996 / 0041-77-4129996 (077-4129996 / 0-77-4129996) +41-77-4129997 / 0041-77-4129997 (077-4129997 / 0-77-4129997) +41-77-4129998 / 0041-77-4129998 (077-4129998 / 0-77-4129998) +41-77-4129999 / 0041-77-4129999 (077-4129999 / 0-77-4129999)