Area Code +421-37-(7700000...7799999) 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 : 7700000 Subscriber Number To : 7799999 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-(7400000...7499999) next › : +421-37-(7800000...7899999) Dialling Instructions For trunk calls: 0 37 7700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 37 7700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7700000 ~ 7799999 (Count: 100,000) Example: +421-37-7700000 / 00421-37-7700000 (037-7700000 / 0-37-7700000) +421-37-7700001 / 00421-37-7700001 (037-7700001 / 0-37-7700001) +421-37-7700002 / 00421-37-7700002 (037-7700002 / 0-37-7700002) +421-37-7700003 / 00421-37-7700003 (037-7700003 / 0-37-7700003) +421-37-7700004 / 00421-37-7700004 (037-7700004 / 0-37-7700004) ...+421-37-xxxxxxx / 00421-37-xxxxxxx (037-xxxxxxx / 0-37-xxxxxxx) ...+421-37-7799995 / 00421-37-7799995 (037-7799995 / 0-37-7799995) +421-37-7799996 / 00421-37-7799996 (037-7799996 / 0-37-7799996) +421-37-7799997 / 00421-37-7799997 (037-7799997 / 0-37-7799997) +421-37-7799998 / 00421-37-7799998 (037-7799998 / 0-37-7799998) +421-37-7799999 / 00421-37-7799999 (037-7799999 / 0-37-7799999)