Area Code +421-37-(6300000...6399999) 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 : 6300000 Subscriber Number To : 6399999 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-(6200000...6299999) next › : +421-37-(6400000...6499999) Dialling Instructions For trunk calls: 0 37 6300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 37 6300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6300000 ~ 6399999 (Count: 100,000) Example: +421-37-6300000 / 00421-37-6300000 (037-6300000 / 0-37-6300000) +421-37-6300001 / 00421-37-6300001 (037-6300001 / 0-37-6300001) +421-37-6300002 / 00421-37-6300002 (037-6300002 / 0-37-6300002) +421-37-6300003 / 00421-37-6300003 (037-6300003 / 0-37-6300003) +421-37-6300004 / 00421-37-6300004 (037-6300004 / 0-37-6300004) ...+421-37-xxxxxxx / 00421-37-xxxxxxx (037-xxxxxxx / 0-37-xxxxxxx) ...+421-37-6399995 / 00421-37-6399995 (037-6399995 / 0-37-6399995) +421-37-6399996 / 00421-37-6399996 (037-6399996 / 0-37-6399996) +421-37-6399997 / 00421-37-6399997 (037-6399997 / 0-37-6399997) +421-37-6399998 / 00421-37-6399998 (037-6399998 / 0-37-6399998) +421-37-6399999 / 00421-37-6399999 (037-6399999 / 0-37-6399999)