Area Code +420-311-(710000...716999) 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 : 710000 Subscriber Number To : 716999 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 : +420-311-(706000...706999) next › : +420-311-(720000...729999) Dialling Instructions For trunk calls: - 311 710000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 311 710000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 710000 ~ 716999 (Count: 7,000) Example: +420-311-710000 / 00420-311-710000 (311-710000 / -311-710000) +420-311-710001 / 00420-311-710001 (311-710001 / -311-710001) +420-311-710002 / 00420-311-710002 (311-710002 / -311-710002) +420-311-710003 / 00420-311-710003 (311-710003 / -311-710003) +420-311-710004 / 00420-311-710004 (311-710004 / -311-710004) ...+420-311-xxxxxx / 00420-311-xxxxxx (311-xxxxxx / -311-xxxxxx) ...+420-311-716995 / 00420-311-716995 (311-716995 / -311-716995) +420-311-716996 / 00420-311-716996 (311-716996 / -311-716996) +420-311-716997 / 00420-311-716997 (311-716997 / -311-716997) +420-311-716998 / 00420-311-716998 (311-716998 / -311-716998) +420-311-716999 / 00420-311-716999 (311-716999 / -311-716999)