<head>
 <script src="https://ajaxzip3.github.io/ajaxzip3.js" charset="UTF-8"></script> 
</head>

<form>
郵便番号<br>
<!-- ▼郵便番号入力(7桁) -->
<input type="text" name="zip11" size="10" maxlength="8" onKeyUp="AjaxZip3.zip2addr(this,'','addr11','addr11');">
<br><br>
住所<br>
<!-- ▼住所入力(都道府県+以降の住所) -->
<input type="text" name="addr11" size="60">
</form>

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.