Area Code +420-311-(100000...109999) 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 : 100000 Subscriber Number To : 109999 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 : Telco Pro Services, 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 : +420-310-(311000...311999) next › : +420-311-(110000...119999) Dialling Instructions For trunk calls: - 311 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 311 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +420-311-100000 / 00420-311-100000 (311-100000 / -311-100000) +420-311-100001 / 00420-311-100001 (311-100001 / -311-100001) +420-311-100002 / 00420-311-100002 (311-100002 / -311-100002) +420-311-100003 / 00420-311-100003 (311-100003 / -311-100003) +420-311-100004 / 00420-311-100004 (311-100004 / -311-100004) ...+420-311-xxxxxx / 00420-311-xxxxxx (311-xxxxxx / -311-xxxxxx) ...+420-311-109995 / 00420-311-109995 (311-109995 / -311-109995) +420-311-109996 / 00420-311-109996 (311-109996 / -311-109996) +420-311-109997 / 00420-311-109997 (311-109997 / -311-109997) +420-311-109998 / 00420-311-109998 (311-109998 / -311-109998) +420-311-109999 / 00420-311-109999 (311-109999 / -311-109999)