Area Code +420-312-(256000...256999) 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 : 256000 Subscriber Number To : 256999 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-(253000...253999) next › : +420-312-(258000...258999) Dialling Instructions For trunk calls: - 312 256000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 312 256000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 256000 ~ 256999 (Count: 1,000) Example: +420-312-256000 / 00420-312-256000 (312-256000 / -312-256000) +420-312-256001 / 00420-312-256001 (312-256001 / -312-256001) +420-312-256002 / 00420-312-256002 (312-256002 / -312-256002) +420-312-256003 / 00420-312-256003 (312-256003 / -312-256003) +420-312-256004 / 00420-312-256004 (312-256004 / -312-256004) ...+420-312-xxxxxx / 00420-312-xxxxxx (312-xxxxxx / -312-xxxxxx) ...+420-312-256995 / 00420-312-256995 (312-256995 / -312-256995) +420-312-256996 / 00420-312-256996 (312-256996 / -312-256996) +420-312-256997 / 00420-312-256997 (312-256997 / -312-256997) +420-312-256998 / 00420-312-256998 (312-256998 / -312-256998) +420-312-256999 / 00420-312-256999 (312-256999 / -312-256999)