Area Code +33-438-(500000...509999) located in Grenoble, ISERE (38), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 438 Subscriber Number From : 500000 Subscriber Number To : 509999 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 : FRANCE 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 : 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 : +33-438-(490000...499999) next › : +33-438-(700000...709999) Dialling Instructions For trunk calls: 0 438 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 438 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +33-438-500000 / 0033-438-500000 (0438-500000 / 0-438-500000) +33-438-500001 / 0033-438-500001 (0438-500001 / 0-438-500001) +33-438-500002 / 0033-438-500002 (0438-500002 / 0-438-500002) +33-438-500003 / 0033-438-500003 (0438-500003 / 0-438-500003) +33-438-500004 / 0033-438-500004 (0438-500004 / 0-438-500004) ...+33-438-xxxxxx / 0033-438-xxxxxx (0438-xxxxxx / 0-438-xxxxxx) ...+33-438-509995 / 0033-438-509995 (0438-509995 / 0-438-509995) +33-438-509996 / 0033-438-509996 (0438-509996 / 0-438-509996) +33-438-509997 / 0033-438-509997 (0438-509997 / 0-438-509997) +33-438-509998 / 0033-438-509998 (0438-509998 / 0-438-509998) +33-438-509999 / 0033-438-509999 (0438-509999 / 0-438-509999)