Wondering how to write a good cover letter? The purpose of a cover letter is to introduce yourself and describe how your specific skills, abilities, and experience match the organization's needs.It's customary to keep your resume and cover letter to one page each. Your cover letter should be about four or five succinct paragraphs long. When used correctly, a cover letter can be a valuable companion to your resume. The cover letter represents your chance to communicate very specific information as to why you are qualified for a position, and to let your personality show. The cover letter represents your chance to communicate very specific information as to why you are qualified for a position, and to let your personality show. We recommend you combine your cover letter and resume into a single document before you start the job application process for the City of Phoenix. Our top-notch resume, cover letter, and LinkedIn services will make you stand out from the crowd, impress employers, and score those dream job offers. Your cover letter should include accomplishments that highlight the most important skills mentioned in a job posting.