Area Code +421-900-(999000...999999) located in Premium rate services, more detail is as below. Place International Dialing Code : 421 International Prefix : 00 National Prefix : 0 National Destination Code : 900 Subscriber Number From : 999000 Subscriber Number To : 999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : S (Special) Carrier Name : SWAN Click here to buy Slovakia Area Code Database Other Information Language Code : sk (Slovak) Country Number : 703 (Slovakia) Country Code : SK (Slovakia) City : Premium rate services Timezone : Europe/Bratislava Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.1500 Longitude : 17.1100 ‹ previous : +421-900-(966000...966999) next › : +421-901-(000000...999999) Dialling Instructions For trunk calls: 0 900 999000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 900 999000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 999000 ~ 999999 (Count: 1,000) Example: +421-900-999000 / 00421-900-999000 (0900-999000 / 0-900-999000) +421-900-999001 / 00421-900-999001 (0900-999001 / 0-900-999001) +421-900-999002 / 00421-900-999002 (0900-999002 / 0-900-999002) +421-900-999003 / 00421-900-999003 (0900-999003 / 0-900-999003) +421-900-999004 / 00421-900-999004 (0900-999004 / 0-900-999004) ...+421-900-xxxxxx / 00421-900-xxxxxx (0900-xxxxxx / 0-900-xxxxxx) ...+421-900-999995 / 00421-900-999995 (0900-999995 / 0-900-999995) +421-900-999996 / 00421-900-999996 (0900-999996 / 0-900-999996) +421-900-999997 / 00421-900-999997 (0900-999997 / 0-900-999997) +421-900-999998 / 00421-900-999998 (0900-999998 / 0-900-999998) +421-900-999999 / 00421-900-999999 (0900-999999 / 0-900-999999)