Area Code +420-584-(428000...429999) 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 : 428000 Subscriber Number To : 429999 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-(425000...425999) next › : +420-584-(432000...437999) Dialling Instructions For trunk calls: - 584 428000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 584 428000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 428000 ~ 429999 (Count: 2,000) Example: +420-584-428000 / 00420-584-428000 (584-428000 / -584-428000) +420-584-428001 / 00420-584-428001 (584-428001 / -584-428001) +420-584-428002 / 00420-584-428002 (584-428002 / -584-428002) +420-584-428003 / 00420-584-428003 (584-428003 / -584-428003) +420-584-428004 / 00420-584-428004 (584-428004 / -584-428004) ...+420-584-xxxxxx / 00420-584-xxxxxx (584-xxxxxx / -584-xxxxxx) ...+420-584-429995 / 00420-584-429995 (584-429995 / -584-429995) +420-584-429996 / 00420-584-429996 (584-429996 / -584-429996) +420-584-429997 / 00420-584-429997 (584-429997 / -584-429997) +420-584-429998 / 00420-584-429998 (584-429998 / -584-429998) +420-584-429999 / 00420-584-429999 (584-429999 / -584-429999)