Area Code +420-417-(550000...555999) located in All locations, Ustecky (US), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 417 Subscriber Number From : 550000 Subscriber Number To : 555999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Telefónica Czech Republic, a.s. Click here to buy Czech Republic Area Code Database Other Information Language Code : cs (Czech) Country Number : 203 (Czech Republic) Country Code : CZ (Czech Republic) Region Code : US Region Name : Ustecky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.6100 Longitude : 13.7900 ‹ previous : +420-417-(541000...546999) next › : +420-417-(557000...560999) Dialling Instructions For trunk calls: - 417 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 417 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 555999 (Count: 6,000) Example: +420-417-550000 / 00420-417-550000 (417-550000 / -417-550000) +420-417-550001 / 00420-417-550001 (417-550001 / -417-550001) +420-417-550002 / 00420-417-550002 (417-550002 / -417-550002) +420-417-550003 / 00420-417-550003 (417-550003 / -417-550003) +420-417-550004 / 00420-417-550004 (417-550004 / -417-550004) ...+420-417-xxxxxx / 00420-417-xxxxxx (417-xxxxxx / -417-xxxxxx) ...+420-417-555995 / 00420-417-555995 (417-555995 / -417-555995) +420-417-555996 / 00420-417-555996 (417-555996 / -417-555996) +420-417-555997 / 00420-417-555997 (417-555997 / -417-555997) +420-417-555998 / 00420-417-555998 (417-555998 / -417-555998) +420-417-555999 / 00420-417-555999 (417-555999 / -417-555999)