Area Code +420-415-(230000...237999) located in All locations, Ustecky (US), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 415 Subscriber Number From : 230000 Subscriber Number To : 237999 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 : US Region Name : Ustecky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.6100 Longitude : 13.7900 ‹ previous : +420-415-(210000...219999) next › : +420-415-(240000...249999) Dialling Instructions For trunk calls: - 415 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 415 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 237999 (Count: 8,000) Example: +420-415-230000 / 00420-415-230000 (415-230000 / -415-230000) +420-415-230001 / 00420-415-230001 (415-230001 / -415-230001) +420-415-230002 / 00420-415-230002 (415-230002 / -415-230002) +420-415-230003 / 00420-415-230003 (415-230003 / -415-230003) +420-415-230004 / 00420-415-230004 (415-230004 / -415-230004) ...+420-415-xxxxxx / 00420-415-xxxxxx (415-xxxxxx / -415-xxxxxx) ...+420-415-237995 / 00420-415-237995 (415-237995 / -415-237995) +420-415-237996 / 00420-415-237996 (415-237996 / -415-237996) +420-415-237997 / 00420-415-237997 (415-237997 / -415-237997) +420-415-237998 / 00420-415-237998 (415-237998 / -415-237998) +420-415-237999 / 00420-415-237999 (415-237999 / -415-237999)