Area Code +33-173-(870000...879999) located in Guyancourt, 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 : 870000 Subscriber Number To : 879999 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 : BOUYGUES 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 : +33-173-(860000...869999) next › : +33-173-(880000...889999) Dialling Instructions For trunk calls: 0 173 870000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 173 870000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 870000 ~ 879999 (Count: 10,000) Example: +33-173-870000 / 0033-173-870000 (0173-870000 / 0-173-870000) +33-173-870001 / 0033-173-870001 (0173-870001 / 0-173-870001) +33-173-870002 / 0033-173-870002 (0173-870002 / 0-173-870002) +33-173-870003 / 0033-173-870003 (0173-870003 / 0-173-870003) +33-173-870004 / 0033-173-870004 (0173-870004 / 0-173-870004) ...+33-173-xxxxxx / 0033-173-xxxxxx (0173-xxxxxx / 0-173-xxxxxx) ...+33-173-879995 / 0033-173-879995 (0173-879995 / 0-173-879995) +33-173-879996 / 0033-173-879996 (0173-879996 / 0-173-879996) +33-173-879997 / 0033-173-879997 (0173-879997 / 0-173-879997) +33-173-879998 / 0033-173-879998 (0173-879998 / 0-173-879998) +33-173-879999 / 0033-173-879999 (0173-879999 / 0-173-879999)
