Area Code +33-179-(140000...149999) located in Guyancourt, YVELINES (78), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 179 Subscriber Number From : 140000 Subscriber Number To : 149999 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 : 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 : +33-179-(130000...139999) next › : +33-179-(150000...159999) Dialling Instructions For trunk calls: 0 179 140000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 179 140000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 140000 ~ 149999 (Count: 10,000) Example: +33-179-140000 / 0033-179-140000 (0179-140000 / 0-179-140000) +33-179-140001 / 0033-179-140001 (0179-140001 / 0-179-140001) +33-179-140002 / 0033-179-140002 (0179-140002 / 0-179-140002) +33-179-140003 / 0033-179-140003 (0179-140003 / 0-179-140003) +33-179-140004 / 0033-179-140004 (0179-140004 / 0-179-140004) ...+33-179-xxxxxx / 0033-179-xxxxxx (0179-xxxxxx / 0-179-xxxxxx) ...+33-179-149995 / 0033-179-149995 (0179-149995 / 0-179-149995) +33-179-149996 / 0033-179-149996 (0179-149996 / 0-179-149996) +33-179-149997 / 0033-179-149997 (0179-149997 / 0-179-149997) +33-179-149998 / 0033-179-149998 (0179-149998 / 0-179-149998) +33-179-149999 / 0033-179-149999 (0179-149999 / 0-179-149999)