Area Code +420-284-(840000...842999) 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 : 840000 Subscriber Number To : 842999 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-(810000...829999) next › : +420-284-(858000...864999) Dialling Instructions For trunk calls: - 284 840000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 284 840000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 840000 ~ 842999 (Count: 3,000) Example: +420-284-840000 / 00420-284-840000 (284-840000 / -284-840000) +420-284-840001 / 00420-284-840001 (284-840001 / -284-840001) +420-284-840002 / 00420-284-840002 (284-840002 / -284-840002) +420-284-840003 / 00420-284-840003 (284-840003 / -284-840003) +420-284-840004 / 00420-284-840004 (284-840004 / -284-840004) ...+420-284-xxxxxx / 00420-284-xxxxxx (284-xxxxxx / -284-xxxxxx) ...+420-284-842995 / 00420-284-842995 (284-842995 / -284-842995) +420-284-842996 / 00420-284-842996 (284-842996 / -284-842996) +420-284-842997 / 00420-284-842997 (284-842997 / -284-842997) +420-284-842998 / 00420-284-842998 (284-842998 / -284-842998) +420-284-842999 / 00420-284-842999 (284-842999 / -284-842999)