Area Code +33-370-(500000...509999) located in Besancon, DOUBS (25), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 370 Subscriber Number From : 500000 Subscriber Number To : 509999 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 : 25 Region Name : DOUBS City : Besancon Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.2400 Longitude : 6.0200 ‹ previous : +33-370-(490000...499999) next › : +33-370-(510000...519999) Dialling Instructions For trunk calls: 0 370 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 370 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +33-370-500000 / 0033-370-500000 (0370-500000 / 0-370-500000) +33-370-500001 / 0033-370-500001 (0370-500001 / 0-370-500001) +33-370-500002 / 0033-370-500002 (0370-500002 / 0-370-500002) +33-370-500003 / 0033-370-500003 (0370-500003 / 0-370-500003) +33-370-500004 / 0033-370-500004 (0370-500004 / 0-370-500004) ...+33-370-xxxxxx / 0033-370-xxxxxx (0370-xxxxxx / 0-370-xxxxxx) ...+33-370-509995 / 0033-370-509995 (0370-509995 / 0-370-509995) +33-370-509996 / 0033-370-509996 (0370-509996 / 0-370-509996) +33-370-509997 / 0033-370-509997 (0370-509997 / 0-370-509997) +33-370-509998 / 0033-370-509998 (0370-509998 / 0-370-509998) +33-370-509999 / 0033-370-509999 (0370-509999 / 0-370-509999)