Area Code +421-56-(3700000...3799999) located in Michalovce, Košický (KI), more detail is as below. Place International Dialing Code : 421 International Prefix : 00 National Prefix : 0 National Destination Code : 56 Subscriber Number From : 3700000 Subscriber Number To : 3799999 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 : DH Telecom 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 : Michalovce Timezone : Europe/Bratislava Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.7600 Longitude : 21.9200 ‹ previous : +421-56-(3373000...3373999) next › : +421-56-(3800000...3899999) Dialling Instructions For trunk calls: 0 56 3700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 421 56 3700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3700000 ~ 3799999 (Count: 100,000) Example: +421-56-3700000 / 00421-56-3700000 (056-3700000 / 0-56-3700000) +421-56-3700001 / 00421-56-3700001 (056-3700001 / 0-56-3700001) +421-56-3700002 / 00421-56-3700002 (056-3700002 / 0-56-3700002) +421-56-3700003 / 00421-56-3700003 (056-3700003 / 0-56-3700003) +421-56-3700004 / 00421-56-3700004 (056-3700004 / 0-56-3700004) ...+421-56-xxxxxxx / 00421-56-xxxxxxx (056-xxxxxxx / 0-56-xxxxxxx) ...+421-56-3799995 / 00421-56-3799995 (056-3799995 / 0-56-3799995) +421-56-3799996 / 00421-56-3799996 (056-3799996 / 0-56-3799996) +421-56-3799997 / 00421-56-3799997 (056-3799997 / 0-56-3799997) +421-56-3799998 / 00421-56-3799998 (056-3799998 / 0-56-3799998) +421-56-3799999 / 00421-56-3799999 (056-3799999 / 0-56-3799999)