Area Code +33-370-(830000...839999) located in Saint-Claude, JURA (39), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 370 Subscriber Number From : 830000 Subscriber Number To : 839999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : ORANGE FRANCE Click here to buy France Area Code Database Other Information Language Code : fr (French) Country Number : 250 (France) Country Code : FR (France) Region Code : 39 Region Name : JURA City : Saint-Claude Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 46.3900 Longitude : 5.8700 ‹ previous : +33-370-(820000...829999) next › : +33-370-(840000...849999) Dialling Instructions For trunk calls: 0 370 830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 370 830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 830000 ~ 839999 (Count: 10,000) Example: +33-370-830000 / 0033-370-830000 (0370-830000 / 0-370-830000) +33-370-830001 / 0033-370-830001 (0370-830001 / 0-370-830001) +33-370-830002 / 0033-370-830002 (0370-830002 / 0-370-830002) +33-370-830003 / 0033-370-830003 (0370-830003 / 0-370-830003) +33-370-830004 / 0033-370-830004 (0370-830004 / 0-370-830004) ...+33-370-xxxxxx / 0033-370-xxxxxx (0370-xxxxxx / 0-370-xxxxxx) ...+33-370-839995 / 0033-370-839995 (0370-839995 / 0-370-839995) +33-370-839996 / 0033-370-839996 (0370-839996 / 0-370-839996) +33-370-839997 / 0033-370-839997 (0370-839997 / 0-370-839997) +33-370-839998 / 0033-370-839998 (0370-839998 / 0-370-839998) +33-370-839999 / 0033-370-839999 (0370-839999 / 0-370-839999)