Area Code +421-650-(300000...399999) located in VoIP, more detail is as below. Place International Dialing Code : 421 International Prefix : 00 National Prefix : 0 National Destination Code : 650 Subscriber Number From : 300000 Subscriber Number To : 399999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : GTS Slovakia Click here to buy Slovakia Area Code Database Other Information Language Code : sk (Slovak) Country Number : 703 (Slovakia) Country Code : SK (Slovakia) City : VoIP 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 : +421-650-(200000...299999) next › : +421-650-(400000...499999) Dialling Instructions For trunk calls: 0 650 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 650 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 399999 (Count: 100,000) Example: +421-650-300000 / 00421-650-300000 (0650-300000 / 0-650-300000) +421-650-300001 / 00421-650-300001 (0650-300001 / 0-650-300001) +421-650-300002 / 00421-650-300002 (0650-300002 / 0-650-300002) +421-650-300003 / 00421-650-300003 (0650-300003 / 0-650-300003) +421-650-300004 / 00421-650-300004 (0650-300004 / 0-650-300004) ...+421-650-xxxxxx / 00421-650-xxxxxx (0650-xxxxxx / 0-650-xxxxxx) ...+421-650-399995 / 00421-650-399995 (0650-399995 / 0-650-399995) +421-650-399996 / 00421-650-399996 (0650-399996 / 0-650-399996) +421-650-399997 / 00421-650-399997 (0650-399997 / 0-650-399997) +421-650-399998 / 00421-650-399998 (0650-399998 / 0-650-399998) +421-650-399999 / 00421-650-399999 (0650-399999 / 0-650-399999)