Area Code +40-257-(370000...379999) located in All locations, Arad (AR), more detail is as below. Place International Dialing Code : 40 International Prefix : 00 National Prefix : 0 National Destination Code : 257 Subscriber Number From : 370000 Subscriber Number To : 379999 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 : S.C. ROMTELECOM S.A. Click here to buy Romania Area Code Database Other Information Language Code : ro (Romanian) Country Number : 642 (Romania) Country Code : RO (Romania) Region Code : AR Region Name : Arad City : All locations Timezone : Europe/Bucharest Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 46.1700 Longitude : 21.3200 ‹ previous : +40-257-(360000...369999) next › : +40-257-(380000...389999) Dialling Instructions For trunk calls: 0 257 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 40 257 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +40-257-370000 / 0040-257-370000 (0257-370000 / 0-257-370000) +40-257-370001 / 0040-257-370001 (0257-370001 / 0-257-370001) +40-257-370002 / 0040-257-370002 (0257-370002 / 0-257-370002) +40-257-370003 / 0040-257-370003 (0257-370003 / 0-257-370003) +40-257-370004 / 0040-257-370004 (0257-370004 / 0-257-370004) ...+40-257-xxxxxx / 0040-257-xxxxxx (0257-xxxxxx / 0-257-xxxxxx) ...+40-257-379995 / 0040-257-379995 (0257-379995 / 0-257-379995) +40-257-379996 / 0040-257-379996 (0257-379996 / 0-257-379996) +40-257-379997 / 0040-257-379997 (0257-379997 / 0-257-379997) +40-257-379998 / 0040-257-379998 (0257-379998 / 0-257-379998) +40-257-379999 / 0040-257-379999 (0257-379999 / 0-257-379999)