Area Code +33-457-(040000...049999) located in Grenoble, ISERE (38), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 457 Subscriber Number From : 040000 Subscriber Number To : 049999 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 : COMPLETEL Click here to buy France Area Code Database Other Information Language Code : fr (French) Country Number : 250 (France) Country Code : FR (France) Region Code : 38 Region Name : ISERE City : Grenoble Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 45.1900 Longitude : 5.7200 ‹ previous : +33-457-(030000...039999) next › : +33-457-(050000...059999) Dialling Instructions For trunk calls: 0 457 040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 457 040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 040000 ~ 049999 (Count: 10,000) Example: +33-457-040000 / 0033-457-040000 (0457-040000 / 0-457-040000) +33-457-040001 / 0033-457-040001 (0457-040001 / 0-457-040001) +33-457-040002 / 0033-457-040002 (0457-040002 / 0-457-040002) +33-457-040003 / 0033-457-040003 (0457-040003 / 0-457-040003) +33-457-040004 / 0033-457-040004 (0457-040004 / 0-457-040004) ...+33-457-xxxxxx / 0033-457-xxxxxx (0457-xxxxxx / 0-457-xxxxxx) ...+33-457-049995 / 0033-457-049995 (0457-049995 / 0-457-049995) +33-457-049996 / 0033-457-049996 (0457-049996 / 0-457-049996) +33-457-049997 / 0033-457-049997 (0457-049997 / 0-457-049997) +33-457-049998 / 0033-457-049998 (0457-049998 / 0-457-049998) +33-457-049999 / 0033-457-049999 (0457-049999 / 0-457-049999)