Area Code +33-134-(620000...629999) located in Guyancourt, YVELINES (78), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 134 Subscriber Number From : 620000 Subscriber Number To : 629999 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 : +33-134-(610000...619999) next › : +33-134-(630000...639999) Dialling Instructions For trunk calls: 0 134 620000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 134 620000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 620000 ~ 629999 (Count: 10,000) Example: +33-134-620000 / 0033-134-620000 (0134-620000 / 0-134-620000) +33-134-620001 / 0033-134-620001 (0134-620001 / 0-134-620001) +33-134-620002 / 0033-134-620002 (0134-620002 / 0-134-620002) +33-134-620003 / 0033-134-620003 (0134-620003 / 0-134-620003) +33-134-620004 / 0033-134-620004 (0134-620004 / 0-134-620004) ...+33-134-xxxxxx / 0033-134-xxxxxx (0134-xxxxxx / 0-134-xxxxxx) ...+33-134-629995 / 0033-134-629995 (0134-629995 / 0-134-629995) +33-134-629996 / 0033-134-629996 (0134-629996 / 0-134-629996) +33-134-629997 / 0033-134-629997 (0134-629997 / 0-134-629997) +33-134-629998 / 0033-134-629998 (0134-629998 / 0-134-629998) +33-134-629999 / 0033-134-629999 (0134-629999 / 0-134-629999)