Area Code +33-257-(000000...009999) located in Guingamp, 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 : 000000 Subscriber Number To : 009999 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 : Guingamp Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.5600 Longitude : -3.1500 ‹ previous : +33-256-(990000...999999) next › : +33-257-(010000...019999) Dialling Instructions For trunk calls: 0 257 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 257 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 009999 (Count: 10,000) Example: +33-257-000000 / 0033-257-000000 (0257-000000 / 0-257-000000) +33-257-000001 / 0033-257-000001 (0257-000001 / 0-257-000001) +33-257-000002 / 0033-257-000002 (0257-000002 / 0-257-000002) +33-257-000003 / 0033-257-000003 (0257-000003 / 0-257-000003) +33-257-000004 / 0033-257-000004 (0257-000004 / 0-257-000004) ...+33-257-xxxxxx / 0033-257-xxxxxx (0257-xxxxxx / 0-257-xxxxxx) ...+33-257-009995 / 0033-257-009995 (0257-009995 / 0-257-009995) +33-257-009996 / 0033-257-009996 (0257-009996 / 0-257-009996) +33-257-009997 / 0033-257-009997 (0257-009997 / 0-257-009997) +33-257-009998 / 0033-257-009998 (0257-009998 / 0-257-009998) +33-257-009999 / 0033-257-009999 (0257-009999 / 0-257-009999)