Area Code +41-77-(4380000...4389999) 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 : 4380000 Subscriber Number To : 4389999 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-(4370000...4379999) next › : +41-77-(4390000...4399999) Dialling Instructions For trunk calls: 0 77 4380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 77 4380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4380000 ~ 4389999 (Count: 10,000) Example: +41-77-4380000 / 0041-77-4380000 (077-4380000 / 0-77-4380000) +41-77-4380001 / 0041-77-4380001 (077-4380001 / 0-77-4380001) +41-77-4380002 / 0041-77-4380002 (077-4380002 / 0-77-4380002) +41-77-4380003 / 0041-77-4380003 (077-4380003 / 0-77-4380003) +41-77-4380004 / 0041-77-4380004 (077-4380004 / 0-77-4380004) ...+41-77-xxxxxxx / 0041-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+41-77-4389995 / 0041-77-4389995 (077-4389995 / 0-77-4389995) +41-77-4389996 / 0041-77-4389996 (077-4389996 / 0-77-4389996) +41-77-4389997 / 0041-77-4389997 (077-4389997 / 0-77-4389997) +41-77-4389998 / 0041-77-4389998 (077-4389998 / 0-77-4389998) +41-77-4389999 / 0041-77-4389999 (077-4389999 / 0-77-4389999)