Hi stekng1fan,
Using a helper column combined with a macro would take care of this pretty quickly. On the sheet with zip codes in column I (sheet2?), in J2 put the formula:
=IF(ISERROR(MATCH(I2,Sheet1!$B$2:$B$100,0)),"Error","")
Fill that down to J1063 (double-click on the lower-right corner of J2 and it will fill down to the last used row in column I automatically).
Right-click on the Sheet2 tab and choose View Code. Paste the following code into that window, then close the VB Editor window. Finally, press ALT+F8 to open the Macros window, select Sheet2.DeleteRows and click Run.
That should do it!
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