Area Code +421-57-(3330000...3339999) located in Humenné, Prešovský (PV), more detail is as below. Place International Dialing Code : 421 International Prefix : 00 National Prefix : 0 National Destination Code : 57 Subscriber Number From : 3330000 Subscriber Number To : 3339999 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 : IPfon Click here to buy Slovakia Area Code Database Other Information Language Code : sk (Slovak) Country Number : 703 (Slovakia) Country Code : SK (Slovakia) Region Code : PV Region Name : Prešovský City : Humenné Timezone : Europe/Bratislava Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.9300 Longitude : 21.9100 ‹ previous : +421-57-(3200000...3299999) next › : +421-57-(3373000...3373999) Dialling Instructions For trunk calls: 0 57 3330000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 57 3330000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3330000 ~ 3339999 (Count: 10,000) Example: +421-57-3330000 / 00421-57-3330000 (057-3330000 / 0-57-3330000) +421-57-3330001 / 00421-57-3330001 (057-3330001 / 0-57-3330001) +421-57-3330002 / 00421-57-3330002 (057-3330002 / 0-57-3330002) +421-57-3330003 / 00421-57-3330003 (057-3330003 / 0-57-3330003) +421-57-3330004 / 00421-57-3330004 (057-3330004 / 0-57-3330004) ...+421-57-xxxxxxx / 00421-57-xxxxxxx (057-xxxxxxx / 0-57-xxxxxxx) ...+421-57-3339995 / 00421-57-3339995 (057-3339995 / 0-57-3339995) +421-57-3339996 / 00421-57-3339996 (057-3339996 / 0-57-3339996) +421-57-3339997 / 00421-57-3339997 (057-3339997 / 0-57-3339997) +421-57-3339998 / 00421-57-3339998 (057-3339998 / 0-57-3339998) +421-57-3339999 / 00421-57-3339999 (057-3339999 / 0-57-3339999)