Area Code +420-417-(575000...579999) 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 : 575000 Subscriber Number To : 579999 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-(568000...573999) next › : +420-417-(580000...589999) Dialling Instructions For trunk calls: - 417 575000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 417 575000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 575000 ~ 579999 (Count: 5,000) Example: +420-417-575000 / 00420-417-575000 (417-575000 / -417-575000) +420-417-575001 / 00420-417-575001 (417-575001 / -417-575001) +420-417-575002 / 00420-417-575002 (417-575002 / -417-575002) +420-417-575003 / 00420-417-575003 (417-575003 / -417-575003) +420-417-575004 / 00420-417-575004 (417-575004 / -417-575004) ...+420-417-xxxxxx / 00420-417-xxxxxx (417-xxxxxx / -417-xxxxxx) ...+420-417-579995 / 00420-417-579995 (417-579995 / -417-579995) +420-417-579996 / 00420-417-579996 (417-579996 / -417-579996) +420-417-579997 / 00420-417-579997 (417-579997 / -417-579997) +420-417-579998 / 00420-417-579998 (417-579998 / -417-579998) +420-417-579999 / 00420-417-579999 (417-579999 / -417-579999)