Area Code +420-910-(500000...509999) located in Public communication networks for VoIP, more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 910 Subscriber Number From : 500000 Subscriber Number To : 509999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : UPC Česká republika, 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) City : Public communication networks for VoIP Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.0800 Longitude : 14.4400 ‹ previous : +420-910-(440000...449999) next › : +420-910-(550000...559999) Dialling Instructions For trunk calls: - 910 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 910 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +420-910-500000 / 00420-910-500000 (910-500000 / -910-500000) +420-910-500001 / 00420-910-500001 (910-500001 / -910-500001) +420-910-500002 / 00420-910-500002 (910-500002 / -910-500002) +420-910-500003 / 00420-910-500003 (910-500003 / -910-500003) +420-910-500004 / 00420-910-500004 (910-500004 / -910-500004) ...+420-910-xxxxxx / 00420-910-xxxxxx (910-xxxxxx / -910-xxxxxx) ...+420-910-509995 / 00420-910-509995 (910-509995 / -910-509995) +420-910-509996 / 00420-910-509996 (910-509996 / -910-509996) +420-910-509997 / 00420-910-509997 (910-509997 / -910-509997) +420-910-509998 / 00420-910-509998 (910-509998 / -910-509998) +420-910-509999 / 00420-910-509999 (910-509999 / -910-509999)