Bryan,
Typically, the first 3 digits will give you a good idea of the general
area. However, it's nothing near close enough to give you long/lat
calcs. So the whole thing is really needed to tell you where things
are. The entire number indicates a "zone" (or "walk" as you put it).
Hth
Lee
| -----Original Message-----
| From: Bryan Stevenson [mailto:[EMAIL PROTECTED]]
| Sent: Tuesday, February 12, 2002 11:36 AM
| To: CF-Talk
| Subject: OT: Postal/Zip code info
|
|
| Hey All,
|
| OK I'm a Canadian and I need to know about the structure of
| Zip codes. In Canada the 3 character prefix (i.e. V9A of V9A
| 1Y8 determines the "postal walk" and is close enough for
| doing long./lat. based radius distance calculations. So is
| there an equivalent structure with zip codes or is it the
| whole thing or nothing?
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