[CQ-Contest] US Zipcode Help Needed

[Michael Keane K1MK]

I think Vic hit it on the head. The USPS does change zone boundaries and 
prefixes on occasion. Haven't found any place on the Web where past 
changes have been archived.

73,
Mike K1MK

On 1/20/2009 9:13 PM, Victor A. Kean, Jr. wrote:
>> The FCC database contains a number of US contester callsigns with
>> zipcodes that, according to all the checks I have made at a number of
>> sources, just don't exist. Despite this, some of 'mystery' zipcodes
>> have, in some cases, over 100 callsigns using them !!
> 
> Tim:
> 
> I note zip code 02173 on the list.  I used to live in that zip code,
> which used to be Lexington, Massachusetts.  It now has a different
> zip code, 02421.
> 
> I postulate that most of the zip codes on your list have been replaced,
> but there is no reason for the zip code in the FCC database to be
> updated.
> 
> Just a guess.
> 
> Victor, K1LT (ex WA1LKU of 02173)