Area Code +420-312-(301000...301999) located in All locations, Stredocesky (ST), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 312 Subscriber Number From : 301000 Subscriber Number To : 301999 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 : +420-312-(290000...293999) next › : +420-312-(310000...319999) Dialling Instructions For trunk calls: - 312 301000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 312 301000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 301000 ~ 301999 (Count: 1,000) Example: +420-312-301000 / 00420-312-301000 (312-301000 / -312-301000) +420-312-301001 / 00420-312-301001 (312-301001 / -312-301001) +420-312-301002 / 00420-312-301002 (312-301002 / -312-301002) +420-312-301003 / 00420-312-301003 (312-301003 / -312-301003) +420-312-301004 / 00420-312-301004 (312-301004 / -312-301004) ...+420-312-xxxxxx / 00420-312-xxxxxx (312-xxxxxx / -312-xxxxxx) ...+420-312-301995 / 00420-312-301995 (312-301995 / -312-301995) +420-312-301996 / 00420-312-301996 (312-301996 / -312-301996) +420-312-301997 / 00420-312-301997 (312-301997 / -312-301997) +420-312-301998 / 00420-312-301998 (312-301998 / -312-301998) +420-312-301999 / 00420-312-301999 (312-301999 / -312-301999)