Area Code +420-312-(258000...258999) located in All locations, Stredocesky (ST), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 312 Subscriber Number From : 258000 Subscriber Number To : 258999 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 : ST Region Name : Stredocesky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 49.8800 Longitude : 14.9400 ‹ previous : +420-312-(256000...256999) next › : +420-312-(260000...264999) Dialling Instructions For trunk calls: - 312 258000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 312 258000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 258000 ~ 258999 (Count: 1,000) Example: +420-312-258000 / 00420-312-258000 (312-258000 / -312-258000) +420-312-258001 / 00420-312-258001 (312-258001 / -312-258001) +420-312-258002 / 00420-312-258002 (312-258002 / -312-258002) +420-312-258003 / 00420-312-258003 (312-258003 / -312-258003) +420-312-258004 / 00420-312-258004 (312-258004 / -312-258004) ...+420-312-xxxxxx / 00420-312-xxxxxx (312-xxxxxx / -312-xxxxxx) ...+420-312-258995 / 00420-312-258995 (312-258995 / -312-258995) +420-312-258996 / 00420-312-258996 (312-258996 / -312-258996) +420-312-258997 / 00420-312-258997 (312-258997 / -312-258997) +420-312-258998 / 00420-312-258998 (312-258998 / -312-258998) +420-312-258999 / 00420-312-258999 (312-258999 / -312-258999)