you can find out here.
[url=\"http://postcalc.usps.gov/\"]USPS[/url]
[url=\"http://wwwapps.ups.com/servlet/QCCServlet\"]UPS[/url]
[url=\"http://www.fedex.com/ratefinder/home?cc=US&language=en\"]FedEx[/url]
[url=\"http://www.dhl-usa.com/ratecalculator/HandlerServlet?CLIENT=RATES_REQUEST_DISPLAY&nav=GetRates\"]DHL[/url]
Hope that helps.
[url=\"http://postcalc.usps.gov/\"]USPS[/url]
[url=\"http://wwwapps.ups.com/servlet/QCCServlet\"]UPS[/url]
[url=\"http://www.fedex.com/ratefinder/home?cc=US&language=en\"]FedEx[/url]
[url=\"http://www.dhl-usa.com/ratecalculator/HandlerServlet?CLIENT=RATES_REQUEST_DISPLAY&nav=GetRates\"]DHL[/url]
Hope that helps.