$(function () {
  $('#container').twzipcode();
});

<div id="container"></div>

$(function () {
  $('#container').twzipcode({
    detect: true
  });
});

<!-- 需先載入 Google Maps API -->
<script src="http://maps.google.com/maps/api/js?sensor=false"></script>

$(function () {
    $('#container').twzipcode({
      zipcodeSel: 114,
      readonly: false
    });
});

<div id="container"></div>

$(function () {
    $('#container').twzipcode({
      countySel: '高雄市', //縣市預設值
      districtSel: '那瑪夏區' //鄉鎮市區預設值
    });
});

<div id="container"></div>

$(function () {
$('#container').twzipcode({
      countySel: '台北市', //縣市預設值
      districtSel: '大安區', //鄉鎮市區預設值
      css: ['addr3-county', 'addr3-area', 'addr3-zip']
    });
});

<div id="container"></div>

.addr3-county, .addr3-area{width:90px;}
.addr3-county{background:#4169E1;color:#fff;}
.addr3-area{background:#008000;color:#fff;}
.addr3-zip{background:#c00;color:#fff;border:1px solid #666;}

$(function () {
$('#container').twzipcode({
      countyName: 'addr4_county[]',
      districtName: 'addr4_area[]',
      zipName: 'addr4_zip[]'
    });
});

  <form action="script#demo4" method="post">
    <div id="container"></div>
    <div><input type="submit" /></div>
  </form>