Area Code +33-257-(550000...559999) located in Brest, FINISTERE (29), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 257 Subscriber Number From : 550000 Subscriber Number To : 559999 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 : EQUANT France Click here to buy France Area Code Database Other Information Language Code : fr (French) Country Number : 250 (France) Country Code : FR (France) Region Code : 29 Region Name : FINISTERE City : Brest Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.3900 Longitude : -4.4900 ‹ previous : +33-257-(540000...549999) next › : +33-257-(560000...569999) Dialling Instructions For trunk calls: 0 257 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 257 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 559999 (Count: 10,000) Example: +33-257-550000 / 0033-257-550000 (0257-550000 / 0-257-550000) +33-257-550001 / 0033-257-550001 (0257-550001 / 0-257-550001) +33-257-550002 / 0033-257-550002 (0257-550002 / 0-257-550002) +33-257-550003 / 0033-257-550003 (0257-550003 / 0-257-550003) +33-257-550004 / 0033-257-550004 (0257-550004 / 0-257-550004) ...+33-257-xxxxxx / 0033-257-xxxxxx (0257-xxxxxx / 0-257-xxxxxx) ...+33-257-559995 / 0033-257-559995 (0257-559995 / 0-257-559995) +33-257-559996 / 0033-257-559996 (0257-559996 / 0-257-559996) +33-257-559997 / 0033-257-559997 (0257-559997 / 0-257-559997) +33-257-559998 / 0033-257-559998 (0257-559998 / 0-257-559998) +33-257-559999 / 0033-257-559999 (0257-559999 / 0-257-559999)