You need a formatting switch - see the zip code section at
http://www.gmayor.com/formatting_word_fields.htm
--
Graham Mayor - Word MVP
My web site
www.gmayor.com
Word MVP web site
http://word.mvps.org
"jregali" wrote in message
...
Using a trial 2007 Word and excel. The zip code field is a custom field
for
the zip code in my excel spreadsheet. When I do a mail merge, the zero is
surpressed on my letters. What am I doing wrong?