Area Code +420-257-(130000...159999) 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 : 130000 Subscriber Number To : 159999 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-(060000...119999) next › : +420-257-(170000...199999) Dialling Instructions For trunk calls: - 257 130000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 257 130000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 130000 ~ 159999 (Count: 30,000) Example: +420-257-130000 / 00420-257-130000 (257-130000 / -257-130000) +420-257-130001 / 00420-257-130001 (257-130001 / -257-130001) +420-257-130002 / 00420-257-130002 (257-130002 / -257-130002) +420-257-130003 / 00420-257-130003 (257-130003 / -257-130003) +420-257-130004 / 00420-257-130004 (257-130004 / -257-130004) ...+420-257-xxxxxx / 00420-257-xxxxxx (257-xxxxxx / -257-xxxxxx) ...+420-257-159995 / 00420-257-159995 (257-159995 / -257-159995) +420-257-159996 / 00420-257-159996 (257-159996 / -257-159996) +420-257-159997 / 00420-257-159997 (257-159997 / -257-159997) +420-257-159998 / 00420-257-159998 (257-159998 / -257-159998) +420-257-159999 / 00420-257-159999 (257-159999 / -257-159999)