Area Code +41-77-(4300000...4309999) 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 : 4300000 Subscriber Number To : 4309999 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-(4290000...4299999) next › : +41-77-(4310000...4319999) Dialling Instructions For trunk calls: 0 77 4300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 77 4300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4300000 ~ 4309999 (Count: 10,000) Example: +41-77-4300000 / 0041-77-4300000 (077-4300000 / 0-77-4300000) +41-77-4300001 / 0041-77-4300001 (077-4300001 / 0-77-4300001) +41-77-4300002 / 0041-77-4300002 (077-4300002 / 0-77-4300002) +41-77-4300003 / 0041-77-4300003 (077-4300003 / 0-77-4300003) +41-77-4300004 / 0041-77-4300004 (077-4300004 / 0-77-4300004) ...+41-77-xxxxxxx / 0041-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+41-77-4309995 / 0041-77-4309995 (077-4309995 / 0-77-4309995) +41-77-4309996 / 0041-77-4309996 (077-4309996 / 0-77-4309996) +41-77-4309997 / 0041-77-4309997 (077-4309997 / 0-77-4309997) +41-77-4309998 / 0041-77-4309998 (077-4309998 / 0-77-4309998) +41-77-4309999 / 0041-77-4309999 (077-4309999 / 0-77-4309999)