Area Code +33-457-(010000...019999) located in Voiron, 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 : 010000 Subscriber Number To : 019999 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 : SOCIETE FRANCAISE DU RADIOTELEPHONE 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 : Voiron Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 45.3600 Longitude : 5.5900 ‹ previous : +33-457-(000000...009999) next › : +33-457-(020000...029999) Dialling Instructions For trunk calls: 0 457 010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 457 010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 010000 ~ 019999 (Count: 10,000) Example: +33-457-010000 / 0033-457-010000 (0457-010000 / 0-457-010000) +33-457-010001 / 0033-457-010001 (0457-010001 / 0-457-010001) +33-457-010002 / 0033-457-010002 (0457-010002 / 0-457-010002) +33-457-010003 / 0033-457-010003 (0457-010003 / 0-457-010003) +33-457-010004 / 0033-457-010004 (0457-010004 / 0-457-010004) ...+33-457-xxxxxx / 0033-457-xxxxxx (0457-xxxxxx / 0-457-xxxxxx) ...+33-457-019995 / 0033-457-019995 (0457-019995 / 0-457-019995) +33-457-019996 / 0033-457-019996 (0457-019996 / 0-457-019996) +33-457-019997 / 0033-457-019997 (0457-019997 / 0-457-019997) +33-457-019998 / 0033-457-019998 (0457-019998 / 0-457-019998) +33-457-019999 / 0033-457-019999 (0457-019999 / 0-457-019999)