Area Code +420-257-(170000...199999) 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 : 170000 Subscriber Number To : 199999 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-(130000...159999) next › : +420-257-(210000...225999) Dialling Instructions For trunk calls: - 257 170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 257 170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 170000 ~ 199999 (Count: 30,000) Example: +420-257-170000 / 00420-257-170000 (257-170000 / -257-170000) +420-257-170001 / 00420-257-170001 (257-170001 / -257-170001) +420-257-170002 / 00420-257-170002 (257-170002 / -257-170002) +420-257-170003 / 00420-257-170003 (257-170003 / -257-170003) +420-257-170004 / 00420-257-170004 (257-170004 / -257-170004) ...+420-257-xxxxxx / 00420-257-xxxxxx (257-xxxxxx / -257-xxxxxx) ...+420-257-199995 / 00420-257-199995 (257-199995 / -257-199995) +420-257-199996 / 00420-257-199996 (257-199996 / -257-199996) +420-257-199997 / 00420-257-199997 (257-199997 / -257-199997) +420-257-199998 / 00420-257-199998 (257-199998 / -257-199998) +420-257-199999 / 00420-257-199999 (257-199999 / -257-199999)
