Area Code +420-284-(858000...864999) located in All locations, Prague (PR), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 284 Subscriber Number From : 858000 Subscriber Number To : 864999 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 : PR Region Name : Prague City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.0900 Longitude : 14.4200 ‹ previous : +420-284-(840000...842999) next › : +420-284-(890000...892999) Dialling Instructions For trunk calls: - 284 858000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 284 858000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 858000 ~ 864999 (Count: 7,000) Example: +420-284-858000 / 00420-284-858000 (284-858000 / -284-858000) +420-284-858001 / 00420-284-858001 (284-858001 / -284-858001) +420-284-858002 / 00420-284-858002 (284-858002 / -284-858002) +420-284-858003 / 00420-284-858003 (284-858003 / -284-858003) +420-284-858004 / 00420-284-858004 (284-858004 / -284-858004) ...+420-284-xxxxxx / 00420-284-xxxxxx (284-xxxxxx / -284-xxxxxx) ...+420-284-864995 / 00420-284-864995 (284-864995 / -284-864995) +420-284-864996 / 00420-284-864996 (284-864996 / -284-864996) +420-284-864997 / 00420-284-864997 (284-864997 / -284-864997) +420-284-864998 / 00420-284-864998 (284-864998 / -284-864998) +420-284-864999 / 00420-284-864999 (284-864999 / -284-864999)