CREATE TEMPORARY TABLE `ZipTemp` (
`ZipCode` CHAR(6) DEFAULT NULL,
PRIMARY KEY (`ZipCode`)
) ENGINE=MYISAM DEFAULT CHARSET=utf8;
INSERT INTO ZipTemp (ZipCode)
SELECT DISTINCT ZipCode
FROM AreaTownZip a
WHERE a.ZipLat BETWEEN 46.6082834428 AND 48.6082834428
AND a.ZipLong BETWEEN -123.329888375 AND -121.329888375;
in Seattle, WA