Sorry Paul.
the Text Box txtZips has a list of zip codes for instance when I type in 37115 and 10 miles the text box returns:
37072,37075,37076,37080,37115,37122,37138,37152,37189,37201,37203,37204,37206,37207,37208,37209,37210,37212,37213,37214,37216,37217,37218,37219,37228
Or if I type in...