Area Code +41-52-(3780000...3789999) located in Winterthur, Zürich (ZH), more detail is as below. Place International Dialing Code : 41 International Prefix : 00 National Prefix : 0 National Destination Code : 52 Subscriber Number From : 3780000 Subscriber Number To : 3789999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) 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) Region Code : ZH Region Name : Zürich City : Winterthur Timezone : Europe/Zurich Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.5000 Longitude : 8.7300 ‹ previous : +41-52-(3760000...3769999) next › : +41-52-(3830000...3839999) Dialling Instructions For trunk calls: 0 52 3780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 52 3780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3780000 ~ 3789999 (Count: 10,000) Example: +41-52-3780000 / 0041-52-3780000 (052-3780000 / 0-52-3780000) +41-52-3780001 / 0041-52-3780001 (052-3780001 / 0-52-3780001) +41-52-3780002 / 0041-52-3780002 (052-3780002 / 0-52-3780002) +41-52-3780003 / 0041-52-3780003 (052-3780003 / 0-52-3780003) +41-52-3780004 / 0041-52-3780004 (052-3780004 / 0-52-3780004) ...+41-52-xxxxxxx / 0041-52-xxxxxxx (052-xxxxxxx / 0-52-xxxxxxx) ...+41-52-3789995 / 0041-52-3789995 (052-3789995 / 0-52-3789995) +41-52-3789996 / 0041-52-3789996 (052-3789996 / 0-52-3789996) +41-52-3789997 / 0041-52-3789997 (052-3789997 / 0-52-3789997) +41-52-3789998 / 0041-52-3789998 (052-3789998 / 0-52-3789998) +41-52-3789999 / 0041-52-3789999 (052-3789999 / 0-52-3789999)