April 30, 2003
- Changed to match zipcodes as of Feb 2003 from USPS

August 19, 2002
- Chnaged to match zipcodes as of July 2002 from USPS

June 10, 2002
- Changed to match zipcodes as of May 2002 from USPS

March 13, 2002
- Changed to match zipcodes as of Feb 2002 from USPS

December 2, 2001
- Added some zipcodes that were missing in the Nov 12, 2001 Update

November 12, 2001
- Changed to match zipcodes as of October 2001 from USPS