Area Code +33-456-(170000...179999) 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 : 170000 Subscriber Number To : 179999 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 : 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-(160000...169999) next › : +33-456-(180000...189999) Dialling Instructions For trunk calls: 0 456 170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 456 170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 170000 ~ 179999 (Count: 10,000) Example: +33-456-170000 / 0033-456-170000 (0456-170000 / 0-456-170000) +33-456-170001 / 0033-456-170001 (0456-170001 / 0-456-170001) +33-456-170002 / 0033-456-170002 (0456-170002 / 0-456-170002) +33-456-170003 / 0033-456-170003 (0456-170003 / 0-456-170003) +33-456-170004 / 0033-456-170004 (0456-170004 / 0-456-170004) ...+33-456-xxxxxx / 0033-456-xxxxxx (0456-xxxxxx / 0-456-xxxxxx) ...+33-456-179995 / 0033-456-179995 (0456-179995 / 0-456-179995) +33-456-179996 / 0033-456-179996 (0456-179996 / 0-456-179996) +33-456-179997 / 0033-456-179997 (0456-179997 / 0-456-179997) +33-456-179998 / 0033-456-179998 (0456-179998 / 0-456-179998) +33-456-179999 / 0033-456-179999 (0456-179999 / 0-456-179999)