To update the contact information found on the footer area of all website pages, you'll just need to edit a specific footer widget.

Visit Dashboard> General Content > Widgets.

Look for Footer#3 widget area on the right hand side, and open the contact widget inside.

You can also reach this area directly by going to: http://www.yourdomainname.com/wp-admin/widgets.php

Just replace "yourdomainname" with your website domain or URL.

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