Area Code +33-170-(420000...429999) located in Guyancourt, YVELINES (78), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 170 Subscriber Number From : 420000 Subscriber Number To : 429999 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 : SOCIETE FRANCAISE DU RADIOTELEPHONE 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 : +33-170-(410000...419999) next › : +33-170-(430000...439999) Dialling Instructions For trunk calls: 0 170 420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 170 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 420000 ~ 429999 (Count: 10,000) Example: +33-170-420000 / 0033-170-420000 (0170-420000 / 0-170-420000) +33-170-420001 / 0033-170-420001 (0170-420001 / 0-170-420001) +33-170-420002 / 0033-170-420002 (0170-420002 / 0-170-420002) +33-170-420003 / 0033-170-420003 (0170-420003 / 0-170-420003) +33-170-420004 / 0033-170-420004 (0170-420004 / 0-170-420004) ...+33-170-xxxxxx / 0033-170-xxxxxx (0170-xxxxxx / 0-170-xxxxxx) ...+33-170-429995 / 0033-170-429995 (0170-429995 / 0-170-429995) +33-170-429996 / 0033-170-429996 (0170-429996 / 0-170-429996) +33-170-429997 / 0033-170-429997 (0170-429997 / 0-170-429997) +33-170-429998 / 0033-170-429998 (0170-429998 / 0-170-429998) +33-170-429999 / 0033-170-429999 (0170-429999 / 0-170-429999)
