Area Code +421-37-(6500000...6599999) located in Nitra, Nitriansky (NI), more detail is as below. Place International Dialing Code : 421 International Prefix : 00 National Prefix : 0 National Destination Code : 37 Subscriber Number From : 6500000 Subscriber Number To : 6599999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Slovak Telekom Click here to buy Slovakia Area Code Database Other Information Language Code : sk (Slovak) Country Number : 703 (Slovakia) Country Code : SK (Slovakia) Region Code : NI Region Name : Nitriansky City : Nitra Timezone : Europe/Bratislava Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.3100 Longitude : 18.0900 ‹ previous : +421-37-(6400000...6499999) next › : +421-37-(6900000...6999999) Dialling Instructions For trunk calls: 0 37 6500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 37 6500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6500000 ~ 6599999 (Count: 100,000) Example: +421-37-6500000 / 00421-37-6500000 (037-6500000 / 0-37-6500000) +421-37-6500001 / 00421-37-6500001 (037-6500001 / 0-37-6500001) +421-37-6500002 / 00421-37-6500002 (037-6500002 / 0-37-6500002) +421-37-6500003 / 00421-37-6500003 (037-6500003 / 0-37-6500003) +421-37-6500004 / 00421-37-6500004 (037-6500004 / 0-37-6500004) ...+421-37-xxxxxxx / 00421-37-xxxxxxx (037-xxxxxxx / 0-37-xxxxxxx) ...+421-37-6599995 / 00421-37-6599995 (037-6599995 / 0-37-6599995) +421-37-6599996 / 00421-37-6599996 (037-6599996 / 0-37-6599996) +421-37-6599997 / 00421-37-6599997 (037-6599997 / 0-37-6599997) +421-37-6599998 / 00421-37-6599998 (037-6599998 / 0-37-6599998) +421-37-6599999 / 00421-37-6599999 (037-6599999 / 0-37-6599999)