Area Code +33-456-(520000...529999) located in Grenoble, 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 : 520000 Subscriber Number To : 529999 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 : +33-456-(510000...519999) next › : +33-456-(530000...539999) Dialling Instructions For trunk calls: 0 456 520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 456 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 520000 ~ 529999 (Count: 10,000) Example: +33-456-520000 / 0033-456-520000 (0456-520000 / 0-456-520000) +33-456-520001 / 0033-456-520001 (0456-520001 / 0-456-520001) +33-456-520002 / 0033-456-520002 (0456-520002 / 0-456-520002) +33-456-520003 / 0033-456-520003 (0456-520003 / 0-456-520003) +33-456-520004 / 0033-456-520004 (0456-520004 / 0-456-520004) ...+33-456-xxxxxx / 0033-456-xxxxxx (0456-xxxxxx / 0-456-xxxxxx) ...+33-456-529995 / 0033-456-529995 (0456-529995 / 0-456-529995) +33-456-529996 / 0033-456-529996 (0456-529996 / 0-456-529996) +33-456-529997 / 0033-456-529997 (0456-529997 / 0-456-529997) +33-456-529998 / 0033-456-529998 (0456-529998 / 0-456-529998) +33-456-529999 / 0033-456-529999 (0456-529999 / 0-456-529999)