Area Code +33-438-(370000...379999) 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 : 370000 Subscriber Number To : 379999 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-(260000...269999) next › : +33-438-(380000...389999) Dialling Instructions For trunk calls: 0 438 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 438 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +33-438-370000 / 0033-438-370000 (0438-370000 / 0-438-370000) +33-438-370001 / 0033-438-370001 (0438-370001 / 0-438-370001) +33-438-370002 / 0033-438-370002 (0438-370002 / 0-438-370002) +33-438-370003 / 0033-438-370003 (0438-370003 / 0-438-370003) +33-438-370004 / 0033-438-370004 (0438-370004 / 0-438-370004) ...+33-438-xxxxxx / 0033-438-xxxxxx (0438-xxxxxx / 0-438-xxxxxx) ...+33-438-379995 / 0033-438-379995 (0438-379995 / 0-438-379995) +33-438-379996 / 0033-438-379996 (0438-379996 / 0-438-379996) +33-438-379997 / 0033-438-379997 (0438-379997 / 0-438-379997) +33-438-379998 / 0033-438-379998 (0438-379998 / 0-438-379998) +33-438-379999 / 0033-438-379999 (0438-379999 / 0-438-379999)