Area Code +421-55-(2300000...2399999) located in Košice, Košický (KI), more detail is as below. Place International Dialing Code : 421 International Prefix : 00 National Prefix : 0 National Destination Code : 55 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 : KI Region Name : Košický City : Košice Timezone : Europe/Bratislava Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.7200 Longitude : 21.2600 ‹ previous : +421-55-(2290000...2299999) next › : +421-55-(2400000...2499999) Dialling Instructions For trunk calls: 0 55 2300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 55 2300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2300000 ~ 2399999 (Count: 100,000) Example: +421-55-2300000 / 00421-55-2300000 (055-2300000 / 0-55-2300000) +421-55-2300001 / 00421-55-2300001 (055-2300001 / 0-55-2300001) +421-55-2300002 / 00421-55-2300002 (055-2300002 / 0-55-2300002) +421-55-2300003 / 00421-55-2300003 (055-2300003 / 0-55-2300003) +421-55-2300004 / 00421-55-2300004 (055-2300004 / 0-55-2300004) ...+421-55-xxxxxxx / 00421-55-xxxxxxx (055-xxxxxxx / 0-55-xxxxxxx) ...+421-55-2399995 / 00421-55-2399995 (055-2399995 / 0-55-2399995) +421-55-2399996 / 00421-55-2399996 (055-2399996 / 0-55-2399996) +421-55-2399997 / 00421-55-2399997 (055-2399997 / 0-55-2399997) +421-55-2399998 / 00421-55-2399998 (055-2399998 / 0-55-2399998) +421-55-2399999 / 00421-55-2399999 (055-2399999 / 0-55-2399999)