Area Code +420-317-(774000...779999) located in All locations, Stredocesky (ST), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 317 Subscriber Number From : 774000 Subscriber Number To : 779999 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 : +420-317-(772000...772999) next › : +420-317-(781000...781999) Dialling Instructions For trunk calls: - 317 774000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 317 774000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 774000 ~ 779999 (Count: 6,000) Example: +420-317-774000 / 00420-317-774000 (317-774000 / -317-774000) +420-317-774001 / 00420-317-774001 (317-774001 / -317-774001) +420-317-774002 / 00420-317-774002 (317-774002 / -317-774002) +420-317-774003 / 00420-317-774003 (317-774003 / -317-774003) +420-317-774004 / 00420-317-774004 (317-774004 / -317-774004) ...+420-317-xxxxxx / 00420-317-xxxxxx (317-xxxxxx / -317-xxxxxx) ...+420-317-779995 / 00420-317-779995 (317-779995 / -317-779995) +420-317-779996 / 00420-317-779996 (317-779996 / -317-779996) +420-317-779997 / 00420-317-779997 (317-779997 / -317-779997) +420-317-779998 / 00420-317-779998 (317-779998 / -317-779998) +420-317-779999 / 00420-317-779999 (317-779999 / -317-779999)