Area Code +33-457-(020000...029999) 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 : 020000 Subscriber Number To : 029999 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 : FREE 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-(010000...019999) next › : +33-457-(030000...039999) Dialling Instructions For trunk calls: 0 457 020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 457 020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 020000 ~ 029999 (Count: 10,000) Example: +33-457-020000 / 0033-457-020000 (0457-020000 / 0-457-020000) +33-457-020001 / 0033-457-020001 (0457-020001 / 0-457-020001) +33-457-020002 / 0033-457-020002 (0457-020002 / 0-457-020002) +33-457-020003 / 0033-457-020003 (0457-020003 / 0-457-020003) +33-457-020004 / 0033-457-020004 (0457-020004 / 0-457-020004) ...+33-457-xxxxxx / 0033-457-xxxxxx (0457-xxxxxx / 0-457-xxxxxx) ...+33-457-029995 / 0033-457-029995 (0457-029995 / 0-457-029995) +33-457-029996 / 0033-457-029996 (0457-029996 / 0-457-029996) +33-457-029997 / 0033-457-029997 (0457-029997 / 0-457-029997) +33-457-029998 / 0033-457-029998 (0457-029998 / 0-457-029998) +33-457-029999 / 0033-457-029999 (0457-029999 / 0-457-029999)