Area Code +420-478-(636000...637999) located in All locations, Ustecky (US), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 478 Subscriber Number From : 636000 Subscriber Number To : 637999 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 : GTS Czech 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 : +420-478-(600000...629999) next › : +420-480-(000000...009999) Dialling Instructions For trunk calls: - 478 636000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 478 636000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 636000 ~ 637999 (Count: 2,000) Example: +420-478-636000 / 00420-478-636000 (478-636000 / -478-636000) +420-478-636001 / 00420-478-636001 (478-636001 / -478-636001) +420-478-636002 / 00420-478-636002 (478-636002 / -478-636002) +420-478-636003 / 00420-478-636003 (478-636003 / -478-636003) +420-478-636004 / 00420-478-636004 (478-636004 / -478-636004) ...+420-478-xxxxxx / 00420-478-xxxxxx (478-xxxxxx / -478-xxxxxx) ...+420-478-637995 / 00420-478-637995 (478-637995 / -478-637995) +420-478-637996 / 00420-478-637996 (478-637996 / -478-637996) +420-478-637997 / 00420-478-637997 (478-637997 / -478-637997) +420-478-637998 / 00420-478-637998 (478-637998 / -478-637998) +420-478-637999 / 00420-478-637999 (478-637999 / -478-637999)