Area Code +40-366-(400000...409999) 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 : 366 Subscriber Number From : 400000 Subscriber Number To : 409999 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. RCS & RDS 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 : +40-366-(370000...379999) next › : +40-366-(490000...499999) Dialling Instructions For trunk calls: 0 366 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 40 366 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 409999 (Count: 10,000) Example: +40-366-400000 / 0040-366-400000 (0366-400000 / 0-366-400000) +40-366-400001 / 0040-366-400001 (0366-400001 / 0-366-400001) +40-366-400002 / 0040-366-400002 (0366-400002 / 0-366-400002) +40-366-400003 / 0040-366-400003 (0366-400003 / 0-366-400003) +40-366-400004 / 0040-366-400004 (0366-400004 / 0-366-400004) ...+40-366-xxxxxx / 0040-366-xxxxxx (0366-xxxxxx / 0-366-xxxxxx) ...+40-366-409995 / 0040-366-409995 (0366-409995 / 0-366-409995) +40-366-409996 / 0040-366-409996 (0366-409996 / 0-366-409996) +40-366-409997 / 0040-366-409997 (0366-409997 / 0-366-409997) +40-366-409998 / 0040-366-409998 (0366-409998 / 0-366-409998) +40-366-409999 / 0040-366-409999 (0366-409999 / 0-366-409999)