Area Code +41-77-(0020000...0029999) 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 : 0020000 Subscriber Number To : 0029999 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-(0010000...0019999) next › : +41-77-(0030000...0039999) Dialling Instructions For trunk calls: 0 77 0020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 77 0020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0020000 ~ 0029999 (Count: 10,000) Example: +41-77-0020000 / 0041-77-0020000 (077-0020000 / 0-77-0020000) +41-77-0020001 / 0041-77-0020001 (077-0020001 / 0-77-0020001) +41-77-0020002 / 0041-77-0020002 (077-0020002 / 0-77-0020002) +41-77-0020003 / 0041-77-0020003 (077-0020003 / 0-77-0020003) +41-77-0020004 / 0041-77-0020004 (077-0020004 / 0-77-0020004) ...+41-77-xxxxxxx / 0041-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+41-77-0029995 / 0041-77-0029995 (077-0029995 / 0-77-0029995) +41-77-0029996 / 0041-77-0029996 (077-0029996 / 0-77-0029996) +41-77-0029997 / 0041-77-0029997 (077-0029997 / 0-77-0029997) +41-77-0029998 / 0041-77-0029998 (077-0029998 / 0-77-0029998) +41-77-0029999 / 0041-77-0029999 (077-0029999 / 0-77-0029999)