Area Code +421-57-(2300000...2399999) 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 : 2300000 Subscriber Number To : 2399999 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 : GTS Slovakia 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-(2290000...2299999) next › : +421-57-(2400000...2499999) Dialling Instructions For trunk calls: 0 57 2300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 57 2300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2300000 ~ 2399999 (Count: 100,000) Example: +421-57-2300000 / 00421-57-2300000 (057-2300000 / 0-57-2300000) +421-57-2300001 / 00421-57-2300001 (057-2300001 / 0-57-2300001) +421-57-2300002 / 00421-57-2300002 (057-2300002 / 0-57-2300002) +421-57-2300003 / 00421-57-2300003 (057-2300003 / 0-57-2300003) +421-57-2300004 / 00421-57-2300004 (057-2300004 / 0-57-2300004) ...+421-57-xxxxxxx / 00421-57-xxxxxxx (057-xxxxxxx / 0-57-xxxxxxx) ...+421-57-2399995 / 00421-57-2399995 (057-2399995 / 0-57-2399995) +421-57-2399996 / 00421-57-2399996 (057-2399996 / 0-57-2399996) +421-57-2399997 / 00421-57-2399997 (057-2399997 / 0-57-2399997) +421-57-2399998 / 00421-57-2399998 (057-2399998 / 0-57-2399998) +421-57-2399999 / 00421-57-2399999 (057-2399999 / 0-57-2399999)