Area Code +420-312-(273000...276999) 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 : 273000 Subscriber Number To : 276999 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 : 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-(267000...269999) next › : +420-312-(278000...281999) Dialling Instructions For trunk calls: - 312 273000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 312 273000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 273000 ~ 276999 (Count: 4,000) Example: +420-312-273000 / 00420-312-273000 (312-273000 / -312-273000) +420-312-273001 / 00420-312-273001 (312-273001 / -312-273001) +420-312-273002 / 00420-312-273002 (312-273002 / -312-273002) +420-312-273003 / 00420-312-273003 (312-273003 / -312-273003) +420-312-273004 / 00420-312-273004 (312-273004 / -312-273004) ...+420-312-xxxxxx / 00420-312-xxxxxx (312-xxxxxx / -312-xxxxxx) ...+420-312-276995 / 00420-312-276995 (312-276995 / -312-276995) +420-312-276996 / 00420-312-276996 (312-276996 / -312-276996) +420-312-276997 / 00420-312-276997 (312-276997 / -312-276997) +420-312-276998 / 00420-312-276998 (312-276998 / -312-276998) +420-312-276999 / 00420-312-276999 (312-276999 / -312-276999)