Mircoformat

gistfile1.html

<div class="vcard">
    <div class="fn org">Wikimedia Foundation Inc.</div>
    <div class="adr">
        <div class="street-address">149 New Montgomery Street, 3rd Floor</div>
        <div> <span class="locality">San Francisco</span>, <abbr class="region" title="California">CA</abbr> <span class="postal-code">94105</span></div>
        <div class="country-name">USA</div>
    </div>
    <div>Phone: <span class="tel">+1-415-839-6885</span></div>
    <div>Email: <span class="email">info@wikimedia.org</span></div>
    <div>
        <span class="tel"><span class="type">Fax</span>: 
        <span class="value">+1-415-882-0495</span></span>
    </div>
</div>

HTML5 Microformat, easy to implement and no learn curve