Quick google search turns up this one, haven't used it though ;)

http://serials.infomotions.com/code4lib/

Also, I think this is the official page and it has a couple of links

http://dewey.library.nd.edu/mailing-lists/code4lib/

Jon
---- Original message ----
>Date: Fri, 23 Nov 2007 13:31:35 -0600
>From: "Hahn, Harvey" <[log in to unmask]>
>Subject: [CODE4LIB] CODE4LIB Web archive??
>To: [log in to unmask]
>
>Is there a Web-accessible archive of CODE4LIB messages?  If so, what's
>the URL?  Thanks!
>
>Harvey
>
>--
>===========================================
>Harvey E. Hahn, Manager, Technical Services Department
>Arlington Heights (Illinois) Memorial Library
>847/506-2644 - FX: 847/506-2650 - Email: hhahn(at)ahml(dot)info
>OML & Scripts web pages: http://www.ahml.info/oml/
>Personal web pages: http://users.anet.com/~packrat