# Changing the font size on the address fields in the Letter document class

I'm trying to create a letter using the default letter document class. In the name, address, and telephone fields, I want the font to be styled differently than the rest of the document, but I can't seem to get it right. Here's a MWE detailing what I'm doing.

\documentclass[11pt]{letter}

\usepackage[hmargin=1in,vmargin=0.5in]{geometry}
\usepackage{graphicx}
\usepackage{fancyhdr}

\pagestyle{fancy}

\longindentation=2.9in

\begin{document}

\begin{letter}{\textsc{VIA COURIER} \bigskip \\Mr. Buck Mulligan\\Associate\\K=Attorneys R Us\\29 Lawyer Way\\Edgewater, NJ 07020}
\name{Joy James\\Associate}
\signature{Joy James\\Associate}
\address{Joy James\\Associate\\Direct Dial: (212) 555-5555\\Direct Fax: (212) 555-2222\\jjames@awesomelaw.com}
\telephone{(212) 555-5555}
\opening{Dear Buck,}


Can anyone help me figure out to style these address entries? If I do something like:

\address{\small{The address}}


it gives me warnings when I run pdflatex and doesn't render correctly.

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You should use \address{{\small The address}}. Other than that, regular font adjustments to any of the fields return the expected results. –  Werner Dec 6 '11 at 19:31
Thanks @Werner. That got it working. –  Robert Ray Dec 6 '11 at 19:36

The following works in terms of font-modification for the \address field:

\documentclass[11pt]{letter}

\usepackage[hmargin=1in,vmargin=0.5in]{geometry}
%\usepackage{graphicx}
\usepackage{fancyhdr}

\pagestyle{fancy}

\longindentation=2.9in

\begin{document}

\begin{letter}{\textsc{VIA COURIER} \bigskip \\Mr. Buck Mulligan\\Associate\\K=Attorneys R Us\\29 Lawyer Way\\Edgewater, NJ 07020}
\name{Joy James\\Associate}
\signature{Joy James\\Associate}
{\large Associate}\\%
{\small Direct Dial: (212) 555-5555}\\%
{\Huge Direct Fax: (212) 555-2222}\\%
{\tiny jjames@awesomelaw.com}}
\telephone{(212) 555-5555}
\opening{Dear Buck,}
\end{letter}
\end{document}
​

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The previous answers work, but I find this hack easier for making the addresses larger/smaller than the main text.

Make the document font small,

\documentclass[10pt]{letter}

but from the opening onwards, increase the font size,

\opening{\large Dear Sir,}

Now everything before the opening is smaller than the main body.

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