Area Code +421-900-(635000...635999) 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 : 635000 Subscriber Number To : 635999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : S (Special) Carrier Name : VOICE SUPPORT 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) 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-(618000...618999) next › : +421-900-(655000...655999) Dialling Instructions For trunk calls: 0 900 635000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 900 635000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 635000 ~ 635999 (Count: 1,000) Example: +421-900-635000 / 00421-900-635000 (0900-635000 / 0-900-635000) +421-900-635001 / 00421-900-635001 (0900-635001 / 0-900-635001) +421-900-635002 / 00421-900-635002 (0900-635002 / 0-900-635002) +421-900-635003 / 00421-900-635003 (0900-635003 / 0-900-635003) +421-900-635004 / 00421-900-635004 (0900-635004 / 0-900-635004) ...+421-900-xxxxxx / 00421-900-xxxxxx (0900-xxxxxx / 0-900-xxxxxx) ...+421-900-635995 / 00421-900-635995 (0900-635995 / 0-900-635995) +421-900-635996 / 00421-900-635996 (0900-635996 / 0-900-635996) +421-900-635997 / 00421-900-635997 (0900-635997 / 0-900-635997) +421-900-635998 / 00421-900-635998 (0900-635998 / 0-900-635998) +421-900-635999 / 00421-900-635999 (0900-635999 / 0-900-635999)