Area Code +420-415-(620000...623999) 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 : 620000 Subscriber Number To : 623999 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-(579000...579999) next › : +420-415-(625000...629999) Dialling Instructions For trunk calls: - 415 620000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 415 620000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 620000 ~ 623999 (Count: 4,000) Example: +420-415-620000 / 00420-415-620000 (415-620000 / -415-620000) +420-415-620001 / 00420-415-620001 (415-620001 / -415-620001) +420-415-620002 / 00420-415-620002 (415-620002 / -415-620002) +420-415-620003 / 00420-415-620003 (415-620003 / -415-620003) +420-415-620004 / 00420-415-620004 (415-620004 / -415-620004) ...+420-415-xxxxxx / 00420-415-xxxxxx (415-xxxxxx / -415-xxxxxx) ...+420-415-623995 / 00420-415-623995 (415-623995 / -415-623995) +420-415-623996 / 00420-415-623996 (415-623996 / -415-623996) +420-415-623997 / 00420-415-623997 (415-623997 / -415-623997) +420-415-623998 / 00420-415-623998 (415-623998 / -415-623998) +420-415-623999 / 00420-415-623999 (415-623999 / -415-623999)