Area Code +420-310-(311000...311999) located in All locations, Stredocesky (ST), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 310 Subscriber Number From : 311000 Subscriber Number To : 311999 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 : VM Telecom CZ, s.r.o. 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-(310000...310999) next › : +420-311-(100000...109999) Dialling Instructions For trunk calls: - 310 311000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 310 311000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 311000 ~ 311999 (Count: 1,000) Example: +420-310-311000 / 00420-310-311000 (310-311000 / -310-311000) +420-310-311001 / 00420-310-311001 (310-311001 / -310-311001) +420-310-311002 / 00420-310-311002 (310-311002 / -310-311002) +420-310-311003 / 00420-310-311003 (310-311003 / -310-311003) +420-310-311004 / 00420-310-311004 (310-311004 / -310-311004) ...+420-310-xxxxxx / 00420-310-xxxxxx (310-xxxxxx / -310-xxxxxx) ...+420-310-311995 / 00420-310-311995 (310-311995 / -310-311995) +420-310-311996 / 00420-310-311996 (310-311996 / -310-311996) +420-310-311997 / 00420-310-311997 (310-311997 / -310-311997) +420-310-311998 / 00420-310-311998 (310-311998 / -310-311998) +420-310-311999 / 00420-310-311999 (310-311999 / -310-311999)