Area Code +420-312-(880000...889999) located in All locations, Stredocesky (ST), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 312 Subscriber Number From : 880000 Subscriber Number To : 889999 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 : T-Mobile 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 : +420-312-(833000...834999) next › : +420-313-(030000...039999) Dialling Instructions For trunk calls: - 312 880000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 312 880000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 880000 ~ 889999 (Count: 10,000) Example: +420-312-880000 / 00420-312-880000 (312-880000 / -312-880000) +420-312-880001 / 00420-312-880001 (312-880001 / -312-880001) +420-312-880002 / 00420-312-880002 (312-880002 / -312-880002) +420-312-880003 / 00420-312-880003 (312-880003 / -312-880003) +420-312-880004 / 00420-312-880004 (312-880004 / -312-880004) ...+420-312-xxxxxx / 00420-312-xxxxxx (312-xxxxxx / -312-xxxxxx) ...+420-312-889995 / 00420-312-889995 (312-889995 / -312-889995) +420-312-889996 / 00420-312-889996 (312-889996 / -312-889996) +420-312-889997 / 00420-312-889997 (312-889997 / -312-889997) +420-312-889998 / 00420-312-889998 (312-889998 / -312-889998) +420-312-889999 / 00420-312-889999 (312-889999 / -312-889999)