Area Code +33-456-(470000...479999) 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 : 470000 Subscriber Number To : 479999 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 : BOUYGUES TELECOM 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-(460000...469999) next › : +33-456-(480000...489999) Dialling Instructions For trunk calls: 0 456 470000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 456 470000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 470000 ~ 479999 (Count: 10,000) Example: +33-456-470000 / 0033-456-470000 (0456-470000 / 0-456-470000) +33-456-470001 / 0033-456-470001 (0456-470001 / 0-456-470001) +33-456-470002 / 0033-456-470002 (0456-470002 / 0-456-470002) +33-456-470003 / 0033-456-470003 (0456-470003 / 0-456-470003) +33-456-470004 / 0033-456-470004 (0456-470004 / 0-456-470004) ...+33-456-xxxxxx / 0033-456-xxxxxx (0456-xxxxxx / 0-456-xxxxxx) ...+33-456-479995 / 0033-456-479995 (0456-479995 / 0-456-479995) +33-456-479996 / 0033-456-479996 (0456-479996 / 0-456-479996) +33-456-479997 / 0033-456-479997 (0456-479997 / 0-456-479997) +33-456-479998 / 0033-456-479998 (0456-479998 / 0-456-479998) +33-456-479999 / 0033-456-479999 (0456-479999 / 0-456-479999)