Area Code +420-811-(811811...811811) located in Shared cost services, more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 811 Subscriber Number From : 811811 Subscriber Number To : 811811 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : S (Special) 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) City : Shared cost services 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 : +420-810-(999999...999999) next › : +420-815-(383659...383659) Dialling Instructions For trunk calls: - 811 811811 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 811 811811 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 811811 ~ 811811 (Count: 1) Example: +420-811-811811 / 00420-811-811811 (811-811811 / -811-811811)