Area Code +420-323-(040000...049999) located in All locations, Stredocesky (ST), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 323 Subscriber Number From : 040000 Subscriber Number To : 049999 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 : ST Region Name : Stredocesky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 49.8800 Longitude : 14.9400 ‹ previous : +420-323-(030000...039999) next › : +420-323-(050000...059999) Dialling Instructions For trunk calls: - 323 040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 323 040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 040000 ~ 049999 (Count: 10,000) Example: +420-323-040000 / 00420-323-040000 (323-040000 / -323-040000) +420-323-040001 / 00420-323-040001 (323-040001 / -323-040001) +420-323-040002 / 00420-323-040002 (323-040002 / -323-040002) +420-323-040003 / 00420-323-040003 (323-040003 / -323-040003) +420-323-040004 / 00420-323-040004 (323-040004 / -323-040004) ...+420-323-xxxxxx / 00420-323-xxxxxx (323-xxxxxx / -323-xxxxxx) ...+420-323-049995 / 00420-323-049995 (323-049995 / -323-049995) +420-323-049996 / 00420-323-049996 (323-049996 / -323-049996) +420-323-049997 / 00420-323-049997 (323-049997 / -323-049997) +420-323-049998 / 00420-323-049998 (323-049998 / -323-049998) +420-323-049999 / 00420-323-049999 (323-049999 / -323-049999)