US Postal Services:
Zip Code Finder: http://zip4.usps.com/zip4/welcome.jsp
International Mail – by Country: http://pe.usps.com/text/imm/immctry.htm
Find Royal Mail PostCode: http://www2.royalmail.com/postcode-finder?gear=postcode
UPS - United Parcel Service - Please note: Prices may vary at GFU Mail Services due to our contracts with UPS.
College and Universities by state: http://www.utexas.edu/world/univ/state/