Area Code +421-37-(3800000...3899999) 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 : 3800000 Subscriber Number To : 3899999 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-(3700000...3799999) next › : +421-37-(3900000...3999999) Dialling Instructions For trunk calls: 0 37 3800000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 37 3800000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3800000 ~ 3899999 (Count: 100,000) Example: +421-37-3800000 / 00421-37-3800000 (037-3800000 / 0-37-3800000) +421-37-3800001 / 00421-37-3800001 (037-3800001 / 0-37-3800001) +421-37-3800002 / 00421-37-3800002 (037-3800002 / 0-37-3800002) +421-37-3800003 / 00421-37-3800003 (037-3800003 / 0-37-3800003) +421-37-3800004 / 00421-37-3800004 (037-3800004 / 0-37-3800004) ...+421-37-xxxxxxx / 00421-37-xxxxxxx (037-xxxxxxx / 0-37-xxxxxxx) ...+421-37-3899995 / 00421-37-3899995 (037-3899995 / 0-37-3899995) +421-37-3899996 / 00421-37-3899996 (037-3899996 / 0-37-3899996) +421-37-3899997 / 00421-37-3899997 (037-3899997 / 0-37-3899997) +421-37-3899998 / 00421-37-3899998 (037-3899998 / 0-37-3899998) +421-37-3899999 / 00421-37-3899999 (037-3899999 / 0-37-3899999)