If need to edit just the phone number, go to WP Admin > Appearance > Menus > Top menu. Make sure you're on the Visual tab - not the Text tab. We'll be looking at the HTML code in WordPress. Like with many other things in WordPress, creating clickable phone numbers isn't hard at all. There you will see that your phone number is linked. Open your WordPress admin panel, navigate to Appearance -> Editor. Common HTML Phone Number Link Mistakes. Adding a Clickable Phone Number in the WordPress Link Box. By default wordpress doesn't have such meta key I guess. Add clickable phone number WordPress button using a plugin or manually.