Area Code +41-77-(4330000...4339999) 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 : 4330000 Subscriber Number To : 4339999 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-(4320000...4329999) next › : +41-77-(4340000...4349999) Dialling Instructions For trunk calls: 0 77 4330000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 77 4330000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4330000 ~ 4339999 (Count: 10,000) Example: +41-77-4330000 / 0041-77-4330000 (077-4330000 / 0-77-4330000) +41-77-4330001 / 0041-77-4330001 (077-4330001 / 0-77-4330001) +41-77-4330002 / 0041-77-4330002 (077-4330002 / 0-77-4330002) +41-77-4330003 / 0041-77-4330003 (077-4330003 / 0-77-4330003) +41-77-4330004 / 0041-77-4330004 (077-4330004 / 0-77-4330004) ...+41-77-xxxxxxx / 0041-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+41-77-4339995 / 0041-77-4339995 (077-4339995 / 0-77-4339995) +41-77-4339996 / 0041-77-4339996 (077-4339996 / 0-77-4339996) +41-77-4339997 / 0041-77-4339997 (077-4339997 / 0-77-4339997) +41-77-4339998 / 0041-77-4339998 (077-4339998 / 0-77-4339998) +41-77-4339999 / 0041-77-4339999 (077-4339999 / 0-77-4339999)