<Files local>
ForceType application/x-httpd-php
</Files>
forces any file with "local" in the name to be treated/parsed as a php file.
The easiest way to accomplish this using different file names is by adding separate <files> statements. You could create a regex, but in my opinion, for only three filenames, it'd be easier to do it with three different statements.
<FilesMatch "local¦district¦country">
ForceType application/x-httpd-php
</FilesMatch>
See [httpd.apache.org...] for documentation on the Files and FilesMatch directives for the Apache webserver.