Click on your dial up
(as if you are going to connect to the Internet.)
Click on the Properties button from the
connect to window.
Make sure there is
a check mark in the box next to "Use dialing rules" and be
sure that the area code is
in the "Area code" field. Then click the rules button.
Click on My
Location once to highlight it and then click on the Edit button
Click on the Area
Code Rules tab at the top of the Edit Location window and then click
the New... button.
Enter the area code
in the Area Code: field if it is missing. Check the box next to
"Include the area
code" at the bottom of the page
Click the OK button at
the bottom of any remaining open windows. You may now you may connect to
the Internet or press the Cancel button on the "Connect To"