Area Code +33-456-(630000...639999) located in Voiron, ISERE (38), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 456 Subscriber Number From : 630000 Subscriber Number To : 639999 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 : COLT TECHNOLOGY SERVICES 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 : +33-456-(620000...629999) next › : +33-456-(640000...649999) Dialling Instructions For trunk calls: 0 456 630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 456 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 630000 ~ 639999 (Count: 10,000) Example: +33-456-630000 / 0033-456-630000 (0456-630000 / 0-456-630000) +33-456-630001 / 0033-456-630001 (0456-630001 / 0-456-630001) +33-456-630002 / 0033-456-630002 (0456-630002 / 0-456-630002) +33-456-630003 / 0033-456-630003 (0456-630003 / 0-456-630003) +33-456-630004 / 0033-456-630004 (0456-630004 / 0-456-630004) ...+33-456-xxxxxx / 0033-456-xxxxxx (0456-xxxxxx / 0-456-xxxxxx) ...+33-456-639995 / 0033-456-639995 (0456-639995 / 0-456-639995) +33-456-639996 / 0033-456-639996 (0456-639996 / 0-456-639996) +33-456-639997 / 0033-456-639997 (0456-639997 / 0-456-639997) +33-456-639998 / 0033-456-639998 (0456-639998 / 0-456-639998) +33-456-639999 / 0033-456-639999 (0456-639999 / 0-456-639999)