Area Code +41-61-(3770000...3779999) 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 : 3770000 Subscriber Number To : 3779999 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-(3760000...3769999) next › : +41-61-(3780000...3789999) Dialling Instructions For trunk calls: 0 61 3770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 61 3770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3770000 ~ 3779999 (Count: 10,000) Example: +41-61-3770000 / 0041-61-3770000 (061-3770000 / 0-61-3770000) +41-61-3770001 / 0041-61-3770001 (061-3770001 / 0-61-3770001) +41-61-3770002 / 0041-61-3770002 (061-3770002 / 0-61-3770002) +41-61-3770003 / 0041-61-3770003 (061-3770003 / 0-61-3770003) +41-61-3770004 / 0041-61-3770004 (061-3770004 / 0-61-3770004) ...+41-61-xxxxxxx / 0041-61-xxxxxxx (061-xxxxxxx / 0-61-xxxxxxx) ...+41-61-3779995 / 0041-61-3779995 (061-3779995 / 0-61-3779995) +41-61-3779996 / 0041-61-3779996 (061-3779996 / 0-61-3779996) +41-61-3779997 / 0041-61-3779997 (061-3779997 / 0-61-3779997) +41-61-3779998 / 0041-61-3779998 (061-3779998 / 0-61-3779998) +41-61-3779999 / 0041-61-3779999 (061-3779999 / 0-61-3779999)