Area Code +33-139-(380000...389999) located in Guyancourt, YVELINES (78), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 139 Subscriber Number From : 380000 Subscriber Number To : 389999 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 : 78 Region Name : YVELINES City : Guyancourt Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.7600 Longitude : 2.0800 ‹ previous : +33-139-(370000...379999) next › : +33-139-(390000...399999) Dialling Instructions For trunk calls: 0 139 380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 139 380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 380000 ~ 389999 (Count: 10,000) Example: +33-139-380000 / 0033-139-380000 (0139-380000 / 0-139-380000) +33-139-380001 / 0033-139-380001 (0139-380001 / 0-139-380001) +33-139-380002 / 0033-139-380002 (0139-380002 / 0-139-380002) +33-139-380003 / 0033-139-380003 (0139-380003 / 0-139-380003) +33-139-380004 / 0033-139-380004 (0139-380004 / 0-139-380004) ...+33-139-xxxxxx / 0033-139-xxxxxx (0139-xxxxxx / 0-139-xxxxxx) ...+33-139-389995 / 0033-139-389995 (0139-389995 / 0-139-389995) +33-139-389996 / 0033-139-389996 (0139-389996 / 0-139-389996) +33-139-389997 / 0033-139-389997 (0139-389997 / 0-139-389997) +33-139-389998 / 0033-139-389998 (0139-389998 / 0-139-389998) +33-139-389999 / 0033-139-389999 (0139-389999 / 0-139-389999)