Area Code +420-388-(300000...321999) located in All locations, Jihocesky (JC), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 388 Subscriber Number From : 300000 Subscriber Number To : 321999 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 : JC Region Name : Jihocesky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.9800 Longitude : 14.4800 ‹ previous : +420-388-(288000...288999) next › : +420-388-(323000...325999) Dialling Instructions For trunk calls: - 388 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 388 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 321999 (Count: 22,000) Example: +420-388-300000 / 00420-388-300000 (388-300000 / -388-300000) +420-388-300001 / 00420-388-300001 (388-300001 / -388-300001) +420-388-300002 / 00420-388-300002 (388-300002 / -388-300002) +420-388-300003 / 00420-388-300003 (388-300003 / -388-300003) +420-388-300004 / 00420-388-300004 (388-300004 / -388-300004) ...+420-388-xxxxxx / 00420-388-xxxxxx (388-xxxxxx / -388-xxxxxx) ...+420-388-321995 / 00420-388-321995 (388-321995 / -388-321995) +420-388-321996 / 00420-388-321996 (388-321996 / -388-321996) +420-388-321997 / 00420-388-321997 (388-321997 / -388-321997) +420-388-321998 / 00420-388-321998 (388-321998 / -388-321998) +420-388-321999 / 00420-388-321999 (388-321999 / -388-321999)