Area Code +420-584-(420000...421999) located in All locations, Olomoucky (OL), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 584 Subscriber Number From : 420000 Subscriber Number To : 421999 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 : OL Region Name : Olomoucky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 49.5900 Longitude : 17.2500 ‹ previous : +420-584-(409000...414999) next › : +420-584-(423000...423999) Dialling Instructions For trunk calls: - 584 420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 584 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 420000 ~ 421999 (Count: 2,000) Example: +420-584-420000 / 00420-584-420000 (584-420000 / -584-420000) +420-584-420001 / 00420-584-420001 (584-420001 / -584-420001) +420-584-420002 / 00420-584-420002 (584-420002 / -584-420002) +420-584-420003 / 00420-584-420003 (584-420003 / -584-420003) +420-584-420004 / 00420-584-420004 (584-420004 / -584-420004) ...+420-584-xxxxxx / 00420-584-xxxxxx (584-xxxxxx / -584-xxxxxx) ...+420-584-421995 / 00420-584-421995 (584-421995 / -584-421995) +420-584-421996 / 00420-584-421996 (584-421996 / -584-421996) +420-584-421997 / 00420-584-421997 (584-421997 / -584-421997) +420-584-421998 / 00420-584-421998 (584-421998 / -584-421998) +420-584-421999 / 00420-584-421999 (584-421999 / -584-421999)