Area Code +41-77-(5170000...5179999) 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 : 5170000 Subscriber Number To : 5179999 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-(5160000...5169999) next › : +41-77-(5180000...5189999) Dialling Instructions For trunk calls: 0 77 5170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 77 5170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5170000 ~ 5179999 (Count: 10,000) Example: +41-77-5170000 / 0041-77-5170000 (077-5170000 / 0-77-5170000) +41-77-5170001 / 0041-77-5170001 (077-5170001 / 0-77-5170001) +41-77-5170002 / 0041-77-5170002 (077-5170002 / 0-77-5170002) +41-77-5170003 / 0041-77-5170003 (077-5170003 / 0-77-5170003) +41-77-5170004 / 0041-77-5170004 (077-5170004 / 0-77-5170004) ...+41-77-xxxxxxx / 0041-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+41-77-5179995 / 0041-77-5179995 (077-5179995 / 0-77-5179995) +41-77-5179996 / 0041-77-5179996 (077-5179996 / 0-77-5179996) +41-77-5179997 / 0041-77-5179997 (077-5179997 / 0-77-5179997) +41-77-5179998 / 0041-77-5179998 (077-5179998 / 0-77-5179998) +41-77-5179999 / 0041-77-5179999 (077-5179999 / 0-77-5179999)