Area Code +40-266-(370000...379999) located in All locations, Harghita (HR), more detail is as below. Place International Dialing Code : 40 International Prefix : 00 National Prefix : 0 National Destination Code : 266 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 : HR Region Name : Harghita City : All locations Timezone : Europe/Bucharest Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 46.5400 Longitude : 25.4300 ‹ previous : +40-266-(360000...369999) next › : +40-266-(380000...389999) Dialling Instructions For trunk calls: 0 266 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 40 266 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +40-266-370000 / 0040-266-370000 (0266-370000 / 0-266-370000) +40-266-370001 / 0040-266-370001 (0266-370001 / 0-266-370001) +40-266-370002 / 0040-266-370002 (0266-370002 / 0-266-370002) +40-266-370003 / 0040-266-370003 (0266-370003 / 0-266-370003) +40-266-370004 / 0040-266-370004 (0266-370004 / 0-266-370004) ...+40-266-xxxxxx / 0040-266-xxxxxx (0266-xxxxxx / 0-266-xxxxxx) ...+40-266-379995 / 0040-266-379995 (0266-379995 / 0-266-379995) +40-266-379996 / 0040-266-379996 (0266-379996 / 0-266-379996) +40-266-379997 / 0040-266-379997 (0266-379997 / 0-266-379997) +40-266-379998 / 0040-266-379998 (0266-379998 / 0-266-379998) +40-266-379999 / 0040-266-379999 (0266-379999 / 0-266-379999)