Area Code +420-910-(550000...559999) 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 : 550000 Subscriber Number To : 559999 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 : ASTELNET 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-(500000...509999) next › : +420-910-(560000...569999) Dialling Instructions For trunk calls: - 910 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 910 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 559999 (Count: 10,000) Example: +420-910-550000 / 00420-910-550000 (910-550000 / -910-550000) +420-910-550001 / 00420-910-550001 (910-550001 / -910-550001) +420-910-550002 / 00420-910-550002 (910-550002 / -910-550002) +420-910-550003 / 00420-910-550003 (910-550003 / -910-550003) +420-910-550004 / 00420-910-550004 (910-550004 / -910-550004) ...+420-910-xxxxxx / 00420-910-xxxxxx (910-xxxxxx / -910-xxxxxx) ...+420-910-559995 / 00420-910-559995 (910-559995 / -910-559995) +420-910-559996 / 00420-910-559996 (910-559996 / -910-559996) +420-910-559997 / 00420-910-559997 (910-559997 / -910-559997) +420-910-559998 / 00420-910-559998 (910-559998 / -910-559998) +420-910-559999 / 00420-910-559999 (910-559999 / -910-559999)