Area Code +33-173-(170000...179999) located in Rambouillet, YVELINES (78), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 173 Subscriber Number From : 170000 Subscriber Number To : 179999 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 : COLT TECHNOLOGY SERVICES 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 : Rambouillet Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.6400 Longitude : 1.8300 ‹ previous : +33-173-(160000...169999) next › : +33-173-(180000...189999) Dialling Instructions For trunk calls: 0 173 170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 173 170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 170000 ~ 179999 (Count: 10,000) Example: +33-173-170000 / 0033-173-170000 (0173-170000 / 0-173-170000) +33-173-170001 / 0033-173-170001 (0173-170001 / 0-173-170001) +33-173-170002 / 0033-173-170002 (0173-170002 / 0-173-170002) +33-173-170003 / 0033-173-170003 (0173-170003 / 0-173-170003) +33-173-170004 / 0033-173-170004 (0173-170004 / 0-173-170004) ...+33-173-xxxxxx / 0033-173-xxxxxx (0173-xxxxxx / 0-173-xxxxxx) ...+33-173-179995 / 0033-173-179995 (0173-179995 / 0-173-179995) +33-173-179996 / 0033-173-179996 (0173-179996 / 0-173-179996) +33-173-179997 / 0033-173-179997 (0173-179997 / 0-173-179997) +33-173-179998 / 0033-173-179998 (0173-179998 / 0-173-179998) +33-173-179999 / 0033-173-179999 (0173-179999 / 0-173-179999)