At which point you're into a lot more complexity. If you're going to pre-generate that much data, just build a data set for each state that includes all zips within the greatest possible search radius, and start each search with the right data set.
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Spring: Forces, Coiled Again!

In reply to Re: Re: Re: Re: Zipcode Proximity script by paulbort
in thread Zipcode Proximity script by hacker

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