<p>...and in every major city, there exists one post office which is 24 hours. If you live in or in the metro area for a major city, it should take you about 30 seconds on USPS</a> - The United States Postal Service (U.S. Postal Service) to verify this for yourself.</p>
<p>I'm from boston, and made a couple late-night trips to Logan Airport in my day. If a cop had pulled me over for going 500 mph down the interstate, though, I probably had a good enough story to talk my way out of a ticket =)</p>