Area Code +420-554-(230000...231999) located in All locations, Moravskoslezsky (MO), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 554 Subscriber Number From : 230000 Subscriber Number To : 231999 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 : MO Region Name : Moravskoslezsky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 49.7300 Longitude : 18.2300 ‹ previous : +420-554-(220000...229999) next › : +420-554-(251000...255999) Dialling Instructions For trunk calls: - 554 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 554 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 231999 (Count: 2,000) Example: +420-554-230000 / 00420-554-230000 (554-230000 / -554-230000) +420-554-230001 / 00420-554-230001 (554-230001 / -554-230001) +420-554-230002 / 00420-554-230002 (554-230002 / -554-230002) +420-554-230003 / 00420-554-230003 (554-230003 / -554-230003) +420-554-230004 / 00420-554-230004 (554-230004 / -554-230004) ...+420-554-xxxxxx / 00420-554-xxxxxx (554-xxxxxx / -554-xxxxxx) ...+420-554-231995 / 00420-554-231995 (554-231995 / -554-231995) +420-554-231996 / 00420-554-231996 (554-231996 / -554-231996) +420-554-231997 / 00420-554-231997 (554-231997 / -554-231997) +420-554-231998 / 00420-554-231998 (554-231998 / -554-231998) +420-554-231999 / 00420-554-231999 (554-231999 / -554-231999)