Area Code +420-321-(570000...571999) 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 : 570000 Subscriber Number To : 571999 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 : 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-(400000...409999) next › : +420-321-(577000...577999) Dialling Instructions For trunk calls: - 321 570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 321 570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 570000 ~ 571999 (Count: 2,000) Example: +420-321-570000 / 00420-321-570000 (321-570000 / -321-570000) +420-321-570001 / 00420-321-570001 (321-570001 / -321-570001) +420-321-570002 / 00420-321-570002 (321-570002 / -321-570002) +420-321-570003 / 00420-321-570003 (321-570003 / -321-570003) +420-321-570004 / 00420-321-570004 (321-570004 / -321-570004) ...+420-321-xxxxxx / 00420-321-xxxxxx (321-xxxxxx / -321-xxxxxx) ...+420-321-571995 / 00420-321-571995 (321-571995 / -321-571995) +420-321-571996 / 00420-321-571996 (321-571996 / -321-571996) +420-321-571997 / 00420-321-571997 (321-571997 / -321-571997) +420-321-571998 / 00420-321-571998 (321-571998 / -321-571998) +420-321-571999 / 00420-321-571999 (321-571999 / -321-571999)