[EdLake]

...certainly as relevant as the address block design.

Ah! I should have included another point in the list of reasons why it is clear that al Qaeda did NOT send the anthrax letters:

11. The zip code on the Senate letters appears to have been deliberately scrambled to eliminate any chance that the anthrax-filled letters might be returned to some REAL school.

Ed at www.anthraxinvestigation.com

[muawiyah]

Except for very large institutions the 5 digit ZIP usually applies to a rather large area, almost every one of which has a school of some sort.

The address block design (for the destinations) follows exactly a very peculiar address block design for those same addresses that was published on the internet at the Jews for Life website.

(At USPS Headquarters we were able to find those addresses just moments after the first pictures were released by the FBI. I suspect they paid no attention to us.)