<!-- Without Codes -->
<select name="state">
    <option>Alabama</option>
    <option>Alaska</option>
    <option>Arizona</option>
    <option>Arkansas</option>
    <option>California</option>
    <option>Colorado</option>
    <option>Connecticut</option>
    <option>Delaware</option>
    <option>Florida</option>
    <option>Georgia</option>
    <option>Hawaii</option>
    <option>Idaho</option>
    <option>Illinois</option>
    <option>Indiana</option>
    <option>Iowa</option>
    <option>Kansas</option>
    <option>Kentucky</option>
    <option>Louisiana</option>
    <option>Maine</option>
    <option>Maryland</option>
    <option>Massachusetts</option>
    <option>Michigan</option>
    <option>Minnesota</option>
    <option>Mississippi</option>
    <option>Missouri</option>
    <option>Montana</option>
    <option>Nebraska</option>
    <option>Nevada</option>
    <option>New Hampshire</option>
    <option>New Jersey</option>
    <option>New Mexico</option>
    <option>New York</option>
    <option>North Carolina</option>
    <option>North Dakota</option>
    <option>Ohio</option>
    <option>Oklahoma</option>
    <option>Oregon</option>
    <option>Pennsylvania</option>
    <option>Rhode Island</option>
    <option>South Carolina</option>
    <option>South Dakota</option>
    <option>Tennessee</option>
    <option>Texas</option>
    <option>Utah</option>
    <option>Vermont</option>
    <option>Virginia</option>
    <option>Washington</option>
    <option>West Virginia</option>
    <option>Wisconsin</option>
    <option>Wyoming</option>
</select>

<!-- With Codes -->
<select name="state">
    <option value="AL">Alabama</option>
    <option value="AK">Alaska</option>
    <option value="AZ">Arizona</option>
    <option value="AR">Arkansas</option>
    <option value="CA">California</option>
    <option value="CO">Colorado</option>
    <option value="CT">Connecticut</option>
    <option value="DE">Delaware</option>
    <option value="FL">Florida</option>
    <option value="GA">Georgia</option>
    <option value="HI">Hawaii</option>
    <option value="ID">Idaho</option>
    <option value="IL">Illinois</option>
    <option value="IN">Indiana</option>
    <option value="IA">Iowa</option>
    <option value="KS">Kansas</option>
    <option value="KY">Kentucky</option>
    <option value="LA">Louisiana</option>
    <option value="ME">Maine</option>
    <option value="MD">Maryland</option>
    <option value="MA">Massachusetts</option>
    <option value="MI">Michigan</option>
    <option value="MN">Minnesota</option>
    <option value="MS">Mississippi</option>
    <option value="MO">Missouri</option>
    <option value="MT">Montana</option>
    <option value="NE">Nebraska</option>
    <option value="NV">Nevada</option>
    <option value="NH">New Hampshire</option>
    <option value="NJ">New Jersey</option>
    <option value="NM">New Mexico</option>
    <option value="NY">New York</option>
    <option value="NC">North Carolina</option>
    <option value="ND">North Dakota</option>
    <option value="OH">Ohio</option>
    <option value="OK">Oklahoma</option>
    <option value="OR">Oregon</option>
    <option value="PA">Pennsylvania</option>
    <option value="RI">Rhode Island</option>
    <option value="SC">South Carolina</option>
    <option value="SD">South Dakota</option>
    <option value="TN">Tennessee</option>
    <option value="TX">Texas</option>
    <option value="UT">Utah</option>
    <option value="VT">Vermont</option>
    <option value="VA">Virginia</option>
    <option value="WA">Washington</option>
    <option value="WV">West Virginia</option>
    <option value="WI">Wisconsin</option>
    <option value="WY">Wyoming</option>
</select>

http://www.addedbytes.com/tools/us-states-select-box/

HTML US States Select Box

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