Area Code +420-257-(372000...372999) 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 : 372000 Subscriber Number To : 372999 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-(370000...370999) next › : +420-257-(400000...400999) Dialling Instructions For trunk calls: - 257 372000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 257 372000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 372000 ~ 372999 (Count: 1,000) Example: +420-257-372000 / 00420-257-372000 (257-372000 / -257-372000) +420-257-372001 / 00420-257-372001 (257-372001 / -257-372001) +420-257-372002 / 00420-257-372002 (257-372002 / -257-372002) +420-257-372003 / 00420-257-372003 (257-372003 / -257-372003) +420-257-372004 / 00420-257-372004 (257-372004 / -257-372004) ...+420-257-xxxxxx / 00420-257-xxxxxx (257-xxxxxx / -257-xxxxxx) ...+420-257-372995 / 00420-257-372995 (257-372995 / -257-372995) +420-257-372996 / 00420-257-372996 (257-372996 / -257-372996) +420-257-372997 / 00420-257-372997 (257-372997 / -257-372997) +420-257-372998 / 00420-257-372998 (257-372998 / -257-372998) +420-257-372999 / 00420-257-372999 (257-372999 / -257-372999)