To take advantage of local citations, it is essential that you already have a Google My Business listing set up, claimed and optimised. In traditional organic SEO, links from a trusted relevant website are one of the main ranking factors Google uses. With regards to local SEO, text hyperlinks help rank Google Local Pack listings in the search results.
Google considers a number of factors alongside citation directories when deciding whether to display your business listing to someone who has searched for the products or services you offer. One of the things they take into account is the proximity of your business to the location of the search.