Area Code +421-37-(8550000...8559999) 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 : 8550000 Subscriber Number To : 8559999 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 : ACS 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-(7900000...7999999) next › : +421-38-(2020000...2029999) Dialling Instructions For trunk calls: 0 37 8550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 37 8550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8550000 ~ 8559999 (Count: 10,000) Example: +421-37-8550000 / 00421-37-8550000 (037-8550000 / 0-37-8550000) +421-37-8550001 / 00421-37-8550001 (037-8550001 / 0-37-8550001) +421-37-8550002 / 00421-37-8550002 (037-8550002 / 0-37-8550002) +421-37-8550003 / 00421-37-8550003 (037-8550003 / 0-37-8550003) +421-37-8550004 / 00421-37-8550004 (037-8550004 / 0-37-8550004) ...+421-37-xxxxxxx / 00421-37-xxxxxxx (037-xxxxxxx / 0-37-xxxxxxx) ...+421-37-8559995 / 00421-37-8559995 (037-8559995 / 0-37-8559995) +421-37-8559996 / 00421-37-8559996 (037-8559996 / 0-37-8559996) +421-37-8559997 / 00421-37-8559997 (037-8559997 / 0-37-8559997) +421-37-8559998 / 00421-37-8559998 (037-8559998 / 0-37-8559998) +421-37-8559999 / 00421-37-8559999 (037-8559999 / 0-37-8559999)