Area Code +420-321-(123000...123999) located in All locations, Stredocesky (ST), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 321 Subscriber Number From : 123000 Subscriber Number To : 123999 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 : miniTEL 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 : 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 : +420-321-(100000...109999) next › : +420-321-(200000...200999) Dialling Instructions For trunk calls: - 321 123000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 321 123000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 123000 ~ 123999 (Count: 1,000) Example: +420-321-123000 / 00420-321-123000 (321-123000 / -321-123000) +420-321-123001 / 00420-321-123001 (321-123001 / -321-123001) +420-321-123002 / 00420-321-123002 (321-123002 / -321-123002) +420-321-123003 / 00420-321-123003 (321-123003 / -321-123003) +420-321-123004 / 00420-321-123004 (321-123004 / -321-123004) ...+420-321-xxxxxx / 00420-321-xxxxxx (321-xxxxxx / -321-xxxxxx) ...+420-321-123995 / 00420-321-123995 (321-123995 / -321-123995) +420-321-123996 / 00420-321-123996 (321-123996 / -321-123996) +420-321-123997 / 00420-321-123997 (321-123997 / -321-123997) +420-321-123998 / 00420-321-123998 (321-123998 / -321-123998) +420-321-123999 / 00420-321-123999 (321-123999 / -321-123999)