nine-one-one vs. nine-eleven?

[Kim & Rima McKinzey]

>On Mon, 13 Mar 2000 emckean at ENTERACT.COM wrote:
>
>>  Is there any info on who says nine-one-one and who says nine-eleven?
>>  Regional? Socioeconomic? EMT folks vs. the rest of us?
>
>Relatedly, in Chicago in the 80s when the area code 312 was first split
>into 312/708, I was really taken aback when I heard a suburbanite say
three-twelve, instead of three-one-two.

I haven't heard nine eleven either - but here in area code 510, I've
heard both five one oh and five ten.

Rima