Area Code +421-55-(6620000...6629999) 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 : 6620000 Subscriber Number To : 6629999 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 : Slovak Telekom 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-(6610000...6619999) next › : +421-55-(6630000...6639999) Dialling Instructions For trunk calls: 0 55 6620000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 55 6620000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6620000 ~ 6629999 (Count: 10,000) Example: +421-55-6620000 / 00421-55-6620000 (055-6620000 / 0-55-6620000) +421-55-6620001 / 00421-55-6620001 (055-6620001 / 0-55-6620001) +421-55-6620002 / 00421-55-6620002 (055-6620002 / 0-55-6620002) +421-55-6620003 / 00421-55-6620003 (055-6620003 / 0-55-6620003) +421-55-6620004 / 00421-55-6620004 (055-6620004 / 0-55-6620004) ...+421-55-xxxxxxx / 00421-55-xxxxxxx (055-xxxxxxx / 0-55-xxxxxxx) ...+421-55-6629995 / 00421-55-6629995 (055-6629995 / 0-55-6629995) +421-55-6629996 / 00421-55-6629996 (055-6629996 / 0-55-6629996) +421-55-6629997 / 00421-55-6629997 (055-6629997 / 0-55-6629997) +421-55-6629998 / 00421-55-6629998 (055-6629998 / 0-55-6629998) +421-55-6629999 / 00421-55-6629999 (055-6629999 / 0-55-6629999)