Area Code +33-257-(040000...049999) located in Rostrenen, COTES D'ARMOR (22), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 257 Subscriber Number From : 040000 Subscriber Number To : 049999 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 : LEGOS - LOCAL EXCHANGE GLOBAL OPERATION SERVICES Click here to buy France Area Code Database Other Information Language Code : fr (French) Country Number : 250 (France) Country Code : FR (France) Region Code : 22 Region Name : COTES D'ARMOR City : Rostrenen Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.2400 Longitude : -3.3200 ‹ previous : +33-257-(030000...039999) next › : +33-257-(050000...059999) Dialling Instructions For trunk calls: 0 257 040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 257 040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 040000 ~ 049999 (Count: 10,000) Example: +33-257-040000 / 0033-257-040000 (0257-040000 / 0-257-040000) +33-257-040001 / 0033-257-040001 (0257-040001 / 0-257-040001) +33-257-040002 / 0033-257-040002 (0257-040002 / 0-257-040002) +33-257-040003 / 0033-257-040003 (0257-040003 / 0-257-040003) +33-257-040004 / 0033-257-040004 (0257-040004 / 0-257-040004) ...+33-257-xxxxxx / 0033-257-xxxxxx (0257-xxxxxx / 0-257-xxxxxx) ...+33-257-049995 / 0033-257-049995 (0257-049995 / 0-257-049995) +33-257-049996 / 0033-257-049996 (0257-049996 / 0-257-049996) +33-257-049997 / 0033-257-049997 (0257-049997 / 0-257-049997) +33-257-049998 / 0033-257-049998 (0257-049998 / 0-257-049998) +33-257-049999 / 0033-257-049999 (0257-049999 / 0-257-049999)