Area Code +41-61-(3780000...3789999) located in Basel, Basel-Stadt (BS), more detail is as below. Place International Dialing Code : 41 International Prefix : 00 National Prefix : 0 National Destination Code : 61 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 : BS Region Name : Basel-Stadt City : Basel Timezone : Europe/Zurich Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.5600 Longitude : 7.5900 ‹ previous : +41-61-(3770000...3779999) next › : +41-61-(3810000...3819999) Dialling Instructions For trunk calls: 0 61 3780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 61 3780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3780000 ~ 3789999 (Count: 10,000) Example: +41-61-3780000 / 0041-61-3780000 (061-3780000 / 0-61-3780000) +41-61-3780001 / 0041-61-3780001 (061-3780001 / 0-61-3780001) +41-61-3780002 / 0041-61-3780002 (061-3780002 / 0-61-3780002) +41-61-3780003 / 0041-61-3780003 (061-3780003 / 0-61-3780003) +41-61-3780004 / 0041-61-3780004 (061-3780004 / 0-61-3780004) ...+41-61-xxxxxxx / 0041-61-xxxxxxx (061-xxxxxxx / 0-61-xxxxxxx) ...+41-61-3789995 / 0041-61-3789995 (061-3789995 / 0-61-3789995) +41-61-3789996 / 0041-61-3789996 (061-3789996 / 0-61-3789996) +41-61-3789997 / 0041-61-3789997 (061-3789997 / 0-61-3789997) +41-61-3789998 / 0041-61-3789998 (061-3789998 / 0-61-3789998) +41-61-3789999 / 0041-61-3789999 (061-3789999 / 0-61-3789999)