You're searching in WCA base for number:&nbsp;<SPAN STYLE="position: absolute; color:black">OK-02203</span><br><br>WCA number = <SPAN STYLE="position: absolute; left:230px; color:red">OK-02203</span><br>National number = <SPAN STYLE="position: absolute; left:230px; color:blue">US-150</span><br>Prefix = <SPAN STYLE="position: absolute; left:230px; color:green">OK</span><br>Castle name = <SPAN STYLE="position: absolute; left:230px; color:black">Falkenstejn, hrad (zricenina)</span><br>Location = <SPAN STYLE="position: absolute; left:230px; color:black">Jetrichovice</span><br><br><br>