Area Code +420-311-(220000...229999) located in All locations, Stredocesky (ST), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 311 Subscriber Number From : 220000 Subscriber Number To : 229999 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 : Air Telecom 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 : +420-311-(210000...219999) next › : +420-311-(230000...236999) Dialling Instructions For trunk calls: - 311 220000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 311 220000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 220000 ~ 229999 (Count: 10,000) Example: +420-311-220000 / 00420-311-220000 (311-220000 / -311-220000) +420-311-220001 / 00420-311-220001 (311-220001 / -311-220001) +420-311-220002 / 00420-311-220002 (311-220002 / -311-220002) +420-311-220003 / 00420-311-220003 (311-220003 / -311-220003) +420-311-220004 / 00420-311-220004 (311-220004 / -311-220004) ...+420-311-xxxxxx / 00420-311-xxxxxx (311-xxxxxx / -311-xxxxxx) ...+420-311-229995 / 00420-311-229995 (311-229995 / -311-229995) +420-311-229996 / 00420-311-229996 (311-229996 / -311-229996) +420-311-229997 / 00420-311-229997 (311-229997 / -311-229997) +420-311-229998 / 00420-311-229998 (311-229998 / -311-229998) +420-311-229999 / 00420-311-229999 (311-229999 / -311-229999)