[Eagle of Liberty]

Some ZIP code history:

http://www.usps.com/history/his2_75.htm
http://zip4.usps.com/zip4/welcome.htm

Entering "34567" in the USPS ZIP code lookup gives me the following result:

The ZIP Code you entered could not be found in our database. Please confirm the ZIP Code and try again.
If you are certain the ZIP Code you entered is valid, please send an email to incsc@email.usps.gov describing the problem.

[Eagle of Liberty]

nevermind.

34567 is the PO BOX number. Stupid!!

[lelio]

Entering "34567" in the USPS ZIP code lookup gives me the following result:

34567 is the PO Box number.