Area Code +33-381-(660000...669999) located in Besancon, DOUBS (25), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 381 Subscriber Number From : 660000 Subscriber Number To : 669999 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 : FRANCE 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 : +33-381-(650000...659999) next › : +33-381-(670000...679999) Dialling Instructions For trunk calls: 0 381 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 381 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +33-381-660000 / 0033-381-660000 (0381-660000 / 0-381-660000) +33-381-660001 / 0033-381-660001 (0381-660001 / 0-381-660001) +33-381-660002 / 0033-381-660002 (0381-660002 / 0-381-660002) +33-381-660003 / 0033-381-660003 (0381-660003 / 0-381-660003) +33-381-660004 / 0033-381-660004 (0381-660004 / 0-381-660004) ...+33-381-xxxxxx / 0033-381-xxxxxx (0381-xxxxxx / 0-381-xxxxxx) ...+33-381-669995 / 0033-381-669995 (0381-669995 / 0-381-669995) +33-381-669996 / 0033-381-669996 (0381-669996 / 0-381-669996) +33-381-669997 / 0033-381-669997 (0381-669997 / 0-381-669997) +33-381-669998 / 0033-381-669998 (0381-669998 / 0-381-669998) +33-381-669999 / 0033-381-669999 (0381-669999 / 0-381-669999)