The idea of these famous digits was introduced in the U.S back in the 1960's, by a U.S Senator returning from Europe ?Can U name the Senator and the digits?

[This message was edited by mozart56 on 09-14-03 at 08:49 PM.]

I guess since ZIP codes came out then, it is ZIP codes, but some cities has a form of them prior to that. I think Area codes for telephone numbers came out a little earlier, but I am not certain.

No, Sorry D.G, I am looking for a specific set of digits You are certainly right about the zip codes , but it's something else I'm looking for.

After further research, I realised that the answer might not be as easy as it seemed at first, so here it is.I was looking for "911" and Senator E.Gruening.

http://www.911dispatch.com/911_file/history/background.html

But although this may be true, I found out there might be "considerable unverifiable informations" about "911".

http://www.911dispatch.com/911_file/history/911history.html

Still a good question and good research, Mozart. Thanks.