Area Code +421-37-(3700000...3799999) 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 : 3700000 Subscriber Number To : 3799999 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 : S.A. spol. s r.o. 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-(3373000...3373999) next › : +421-37-(3800000...3899999) Dialling Instructions For trunk calls: 0 37 3700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 37 3700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3700000 ~ 3799999 (Count: 100,000) Example: +421-37-3700000 / 00421-37-3700000 (037-3700000 / 0-37-3700000) +421-37-3700001 / 00421-37-3700001 (037-3700001 / 0-37-3700001) +421-37-3700002 / 00421-37-3700002 (037-3700002 / 0-37-3700002) +421-37-3700003 / 00421-37-3700003 (037-3700003 / 0-37-3700003) +421-37-3700004 / 00421-37-3700004 (037-3700004 / 0-37-3700004) ...+421-37-xxxxxxx / 00421-37-xxxxxxx (037-xxxxxxx / 0-37-xxxxxxx) ...+421-37-3799995 / 00421-37-3799995 (037-3799995 / 0-37-3799995) +421-37-3799996 / 00421-37-3799996 (037-3799996 / 0-37-3799996) +421-37-3799997 / 00421-37-3799997 (037-3799997 / 0-37-3799997) +421-37-3799998 / 00421-37-3799998 (037-3799998 / 0-37-3799998) +421-37-3799999 / 00421-37-3799999 (037-3799999 / 0-37-3799999)