Area Code +33-180-(280000...289999) located in Guyancourt, YVELINES (78), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 180 Subscriber Number From : 280000 Subscriber Number To : 289999 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 : +33-180-(270000...279999) next › : +33-180-(290000...299999) Dialling Instructions For trunk calls: 0 180 280000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 180 280000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 280000 ~ 289999 (Count: 10,000) Example: +33-180-280000 / 0033-180-280000 (0180-280000 / 0-180-280000) +33-180-280001 / 0033-180-280001 (0180-280001 / 0-180-280001) +33-180-280002 / 0033-180-280002 (0180-280002 / 0-180-280002) +33-180-280003 / 0033-180-280003 (0180-280003 / 0-180-280003) +33-180-280004 / 0033-180-280004 (0180-280004 / 0-180-280004) ...+33-180-xxxxxx / 0033-180-xxxxxx (0180-xxxxxx / 0-180-xxxxxx) ...+33-180-289995 / 0033-180-289995 (0180-289995 / 0-180-289995) +33-180-289996 / 0033-180-289996 (0180-289996 / 0-180-289996) +33-180-289997 / 0033-180-289997 (0180-289997 / 0-180-289997) +33-180-289998 / 0033-180-289998 (0180-289998 / 0-180-289998) +33-180-289999 / 0033-180-289999 (0180-289999 / 0-180-289999)