Area Code +420-312-(101000...101999) 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 : 101000 Subscriber Number To : 101999 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 : DATINET 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 : +420-311-(907000...909999) next › : +420-312-(202000...202999) Dialling Instructions For trunk calls: - 312 101000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 312 101000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 101000 ~ 101999 (Count: 1,000) Example: +420-312-101000 / 00420-312-101000 (312-101000 / -312-101000) +420-312-101001 / 00420-312-101001 (312-101001 / -312-101001) +420-312-101002 / 00420-312-101002 (312-101002 / -312-101002) +420-312-101003 / 00420-312-101003 (312-101003 / -312-101003) +420-312-101004 / 00420-312-101004 (312-101004 / -312-101004) ...+420-312-xxxxxx / 00420-312-xxxxxx (312-xxxxxx / -312-xxxxxx) ...+420-312-101995 / 00420-312-101995 (312-101995 / -312-101995) +420-312-101996 / 00420-312-101996 (312-101996 / -312-101996) +420-312-101997 / 00420-312-101997 (312-101997 / -312-101997) +420-312-101998 / 00420-312-101998 (312-101998 / -312-101998) +420-312-101999 / 00420-312-101999 (312-101999 / -312-101999)