Area Code +41-77-(4390000...4399999) 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 : 4390000 Subscriber Number To : 4399999 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-(4380000...4389999) next › : +41-77-(4400000...4409999) Dialling Instructions For trunk calls: 0 77 4390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 77 4390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4390000 ~ 4399999 (Count: 10,000) Example: +41-77-4390000 / 0041-77-4390000 (077-4390000 / 0-77-4390000) +41-77-4390001 / 0041-77-4390001 (077-4390001 / 0-77-4390001) +41-77-4390002 / 0041-77-4390002 (077-4390002 / 0-77-4390002) +41-77-4390003 / 0041-77-4390003 (077-4390003 / 0-77-4390003) +41-77-4390004 / 0041-77-4390004 (077-4390004 / 0-77-4390004) ...+41-77-xxxxxxx / 0041-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+41-77-4399995 / 0041-77-4399995 (077-4399995 / 0-77-4399995) +41-77-4399996 / 0041-77-4399996 (077-4399996 / 0-77-4399996) +41-77-4399997 / 0041-77-4399997 (077-4399997 / 0-77-4399997) +41-77-4399998 / 0041-77-4399998 (077-4399998 / 0-77-4399998) +41-77-4399999 / 0041-77-4399999 (077-4399999 / 0-77-4399999)