Area Code +420-417-(500000...512999) 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 : 500000 Subscriber Number To : 512999 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 : +420-416-(926000...926999) next › : +420-417-(514000...519999) Dialling Instructions For trunk calls: - 417 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 417 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 512999 (Count: 13,000) Example: +420-417-500000 / 00420-417-500000 (417-500000 / -417-500000) +420-417-500001 / 00420-417-500001 (417-500001 / -417-500001) +420-417-500002 / 00420-417-500002 (417-500002 / -417-500002) +420-417-500003 / 00420-417-500003 (417-500003 / -417-500003) +420-417-500004 / 00420-417-500004 (417-500004 / -417-500004) ...+420-417-xxxxxx / 00420-417-xxxxxx (417-xxxxxx / -417-xxxxxx) ...+420-417-512995 / 00420-417-512995 (417-512995 / -417-512995) +420-417-512996 / 00420-417-512996 (417-512996 / -417-512996) +420-417-512997 / 00420-417-512997 (417-512997 / -417-512997) +420-417-512998 / 00420-417-512998 (417-512998 / -417-512998) +420-417-512999 / 00420-417-512999 (417-512999 / -417-512999)