Area Code +41-77-(4550000...4559999) 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 : 4550000 Subscriber Number To : 4559999 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-(4540000...4549999) next › : +41-77-(4560000...4569999) Dialling Instructions For trunk calls: 0 77 4550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 77 4550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4550000 ~ 4559999 (Count: 10,000) Example: +41-77-4550000 / 0041-77-4550000 (077-4550000 / 0-77-4550000) +41-77-4550001 / 0041-77-4550001 (077-4550001 / 0-77-4550001) +41-77-4550002 / 0041-77-4550002 (077-4550002 / 0-77-4550002) +41-77-4550003 / 0041-77-4550003 (077-4550003 / 0-77-4550003) +41-77-4550004 / 0041-77-4550004 (077-4550004 / 0-77-4550004) ...+41-77-xxxxxxx / 0041-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+41-77-4559995 / 0041-77-4559995 (077-4559995 / 0-77-4559995) +41-77-4559996 / 0041-77-4559996 (077-4559996 / 0-77-4559996) +41-77-4559997 / 0041-77-4559997 (077-4559997 / 0-77-4559997) +41-77-4559998 / 0041-77-4559998 (077-4559998 / 0-77-4559998) +41-77-4559999 / 0041-77-4559999 (077-4559999 / 0-77-4559999)