Area Code +421-37-(3900000...3999999) 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 : 3900000 Subscriber Number To : 3999999 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 : Orange Slovensko 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-(3800000...3899999) next › : +421-37-(4800000...4899999) Dialling Instructions For trunk calls: 0 37 3900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 37 3900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3900000 ~ 3999999 (Count: 100,000) Example: +421-37-3900000 / 00421-37-3900000 (037-3900000 / 0-37-3900000) +421-37-3900001 / 00421-37-3900001 (037-3900001 / 0-37-3900001) +421-37-3900002 / 00421-37-3900002 (037-3900002 / 0-37-3900002) +421-37-3900003 / 00421-37-3900003 (037-3900003 / 0-37-3900003) +421-37-3900004 / 00421-37-3900004 (037-3900004 / 0-37-3900004) ...+421-37-xxxxxxx / 00421-37-xxxxxxx (037-xxxxxxx / 0-37-xxxxxxx) ...+421-37-3999995 / 00421-37-3999995 (037-3999995 / 0-37-3999995) +421-37-3999996 / 00421-37-3999996 (037-3999996 / 0-37-3999996) +421-37-3999997 / 00421-37-3999997 (037-3999997 / 0-37-3999997) +421-37-3999998 / 00421-37-3999998 (037-3999998 / 0-37-3999998) +421-37-3999999 / 00421-37-3999999 (037-3999999 / 0-37-3999999)