... 80000 zip codes and they state abbr.

You'll have to double-check this, but I believe that the first three digits of a ZIP code uniquely define a state. The first three digits designate a sectional center facility (SCF), and IIUC such a facility does not service multiple states. E.g., the geographical area of 90210 (Beverly Hills, CA) lies entirely in California and the 902 SCF can only map to CA. (Note, however, that there are both civil and military SCFs.)

Thus, the mapping for all states reduces from 80000 to 1000 SCFs max, an even more manageable hash size. :)

Give a man a fish:  <%-{-{-{-<

In reply to Re: Multiple file handles by AnomalousMonk
in thread Multiple file handles by MoodyDreams999

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