Area Code +33-531-(800000...809999) located in Castres, TARN (81), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 531 Subscriber Number From : 800000 Subscriber Number To : 809999 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 D'ECONOMIE MIXTE E TERA Click here to buy France Area Code Database Other Information Language Code : fr (French) Country Number : 250 (France) Country Code : FR (France) Region Code : 81 Region Name : TARN City : Castres Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 43.6100 Longitude : 2.2400 ‹ previous : +33-531-(790000...799999) next › : +33-531-(810000...819999) Dialling Instructions For trunk calls: 0 531 800000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 531 800000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 800000 ~ 809999 (Count: 10,000) Example: +33-531-800000 / 0033-531-800000 (0531-800000 / 0-531-800000) +33-531-800001 / 0033-531-800001 (0531-800001 / 0-531-800001) +33-531-800002 / 0033-531-800002 (0531-800002 / 0-531-800002) +33-531-800003 / 0033-531-800003 (0531-800003 / 0-531-800003) +33-531-800004 / 0033-531-800004 (0531-800004 / 0-531-800004) ...+33-531-xxxxxx / 0033-531-xxxxxx (0531-xxxxxx / 0-531-xxxxxx) ...+33-531-809995 / 0033-531-809995 (0531-809995 / 0-531-809995) +33-531-809996 / 0033-531-809996 (0531-809996 / 0-531-809996) +33-531-809997 / 0033-531-809997 (0531-809997 / 0-531-809997) +33-531-809998 / 0033-531-809998 (0531-809998 / 0-531-809998) +33-531-809999 / 0033-531-809999 (0531-809999 / 0-531-809999)