Area Code +420-477-(230000...239999) located in All locations, Ustecky (US), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 477 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 : J.S.tel s.r.o. 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 : +420-477-(160000...169999) next › : +420-477-(307000...307999) Dialling Instructions For trunk calls: - 477 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 477 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 239999 (Count: 10,000) Example: +420-477-230000 / 00420-477-230000 (477-230000 / -477-230000) +420-477-230001 / 00420-477-230001 (477-230001 / -477-230001) +420-477-230002 / 00420-477-230002 (477-230002 / -477-230002) +420-477-230003 / 00420-477-230003 (477-230003 / -477-230003) +420-477-230004 / 00420-477-230004 (477-230004 / -477-230004) ...+420-477-xxxxxx / 00420-477-xxxxxx (477-xxxxxx / -477-xxxxxx) ...+420-477-239995 / 00420-477-239995 (477-239995 / -477-239995) +420-477-239996 / 00420-477-239996 (477-239996 / -477-239996) +420-477-239997 / 00420-477-239997 (477-239997 / -477-239997) +420-477-239998 / 00420-477-239998 (477-239998 / -477-239998) +420-477-239999 / 00420-477-239999 (477-239999 / -477-239999)