Area Code +420-230-(230000...239999) located in All locations, Prague (PR), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 230 Subscriber Number From : 230000 Subscriber Number To : 239999 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 : T-Mobile 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 : +420-230-(210000...210999) next › : +420-230-(240000...249999) Dialling Instructions For trunk calls: - 230 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 230 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 239999 (Count: 10,000) Example: +420-230-230000 / 00420-230-230000 (230-230000 / -230-230000) +420-230-230001 / 00420-230-230001 (230-230001 / -230-230001) +420-230-230002 / 00420-230-230002 (230-230002 / -230-230002) +420-230-230003 / 00420-230-230003 (230-230003 / -230-230003) +420-230-230004 / 00420-230-230004 (230-230004 / -230-230004) ...+420-230-xxxxxx / 00420-230-xxxxxx (230-xxxxxx / -230-xxxxxx) ...+420-230-239995 / 00420-230-239995 (230-239995 / -230-239995) +420-230-239996 / 00420-230-239996 (230-239996 / -230-239996) +420-230-239997 / 00420-230-239997 (230-239997 / -230-239997) +420-230-239998 / 00420-230-239998 (230-239998 / -230-239998) +420-230-239999 / 00420-230-239999 (230-239999 / -230-239999)