Rich Contact Information adds important contact info like phone number, address, city etc when it appears in the search engine results. Generally it is done by adding snippets and hard coding your website’s theme but here is an easy method available that does the same but very easily.
Rich Contact Widget by Tabrisrp is a powerful WordPress plugin that comes with enhanced markup for microdatas & microformats, which displays rich contact data even a map showing your location in search results of Google and other search engines. After you install and activate it visit Dashboard -> Appearance -> Widgets and drag Rich Contact Widget to your sidebar. Now fill in the fields to add your contact information and that’s all. Plugin will automatically does else for adding markup and other code to make your contact information appear in search results.