Area Code +420-411-(180000...189999) located in All locations, Ustecky (US), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 411 Subscriber Number From : 180000 Subscriber Number To : 189999 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 : Air Telecom 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 : US Region Name : Ustecky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.6100 Longitude : 13.7900 ‹ previous : +420-411-(160000...179999) next › : +420-411-(190000...192999) Dialling Instructions For trunk calls: - 411 180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 411 180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 180000 ~ 189999 (Count: 10,000) Example: +420-411-180000 / 00420-411-180000 (411-180000 / -411-180000) +420-411-180001 / 00420-411-180001 (411-180001 / -411-180001) +420-411-180002 / 00420-411-180002 (411-180002 / -411-180002) +420-411-180003 / 00420-411-180003 (411-180003 / -411-180003) +420-411-180004 / 00420-411-180004 (411-180004 / -411-180004) ...+420-411-xxxxxx / 00420-411-xxxxxx (411-xxxxxx / -411-xxxxxx) ...+420-411-189995 / 00420-411-189995 (411-189995 / -411-189995) +420-411-189996 / 00420-411-189996 (411-189996 / -411-189996) +420-411-189997 / 00420-411-189997 (411-189997 / -411-189997) +420-411-189998 / 00420-411-189998 (411-189998 / -411-189998) +420-411-189999 / 00420-411-189999 (411-189999 / -411-189999)