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Re: Dating tips...
- To: Multiple recipients of list <exlibris@library.berkeley.edu>
- Subject: Re: Dating tips...
- From: Cugall@aol.com
- Date: Fri, 30 Oct 1998 08:00:08 -0800 (PST)
- Message-Id: <66e7ad36.3639e147@aol.com>
- Sender: exlibris@library.berkeley.edu
In a message dated 30-Oct-98 9:19:11 AM Eastern Standard Time,
RobertMueller@worldnet.att.net writes:
> To assist me in dating ephemera, (1) can anyone inform me when postal =
> Zip codes were introduced? (I was around, but I don't remember.) And =
> (2), for the same purposes, when did telephone exchanges move from a =
> simple three digits to seven, or ten? Thanks to any and all. Bob Mueller
(1) 1962.
(2) Sorry, I don't know.