Area Code +420-257-(250000...258999) located in All locations, Prague (PR), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 257 Subscriber Number From : 250000 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 : 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 : +420-257-(210000...225999) next › : +420-257-(270000...280999) Dialling Instructions For trunk calls: - 257 250000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 257 250000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 250000 ~ 258999 (Count: 9,000) Example: +420-257-250000 / 00420-257-250000 (257-250000 / -257-250000) +420-257-250001 / 00420-257-250001 (257-250001 / -257-250001) +420-257-250002 / 00420-257-250002 (257-250002 / -257-250002) +420-257-250003 / 00420-257-250003 (257-250003 / -257-250003) +420-257-250004 / 00420-257-250004 (257-250004 / -257-250004) ...+420-257-xxxxxx / 00420-257-xxxxxx (257-xxxxxx / -257-xxxxxx) ...+420-257-258995 / 00420-257-258995 (257-258995 / -257-258995) +420-257-258996 / 00420-257-258996 (257-258996 / -257-258996) +420-257-258997 / 00420-257-258997 (257-258997 / -257-258997) +420-257-258998 / 00420-257-258998 (257-258998 / -257-258998) +420-257-258999 / 00420-257-258999 (257-258999 / -257-258999)