Area Code +420-311-(720000...729999) 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 : 720000 Subscriber Number To : 729999 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 : RIO Media 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-(710000...716999) next › : +420-311-(736000...736999) Dialling Instructions For trunk calls: - 311 720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 311 720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 720000 ~ 729999 (Count: 10,000) Example: +420-311-720000 / 00420-311-720000 (311-720000 / -311-720000) +420-311-720001 / 00420-311-720001 (311-720001 / -311-720001) +420-311-720002 / 00420-311-720002 (311-720002 / -311-720002) +420-311-720003 / 00420-311-720003 (311-720003 / -311-720003) +420-311-720004 / 00420-311-720004 (311-720004 / -311-720004) ...+420-311-xxxxxx / 00420-311-xxxxxx (311-xxxxxx / -311-xxxxxx) ...+420-311-729995 / 00420-311-729995 (311-729995 / -311-729995) +420-311-729996 / 00420-311-729996 (311-729996 / -311-729996) +420-311-729997 / 00420-311-729997 (311-729997 / -311-729997) +420-311-729998 / 00420-311-729998 (311-729998 / -311-729998) +420-311-729999 / 00420-311-729999 (311-729999 / -311-729999)