How To Write A Letter To County . If the letter relates to jury duty, it should contain the juror's name and juror number and the date of service, if known. Think about writing a separate letter to that council as well. Inside Joplin Jasper County Sheriff letter offers update on extended from insidejoplin.blogspot.com Please provide your name, city and telephone number (telephone numbers will not be published). Format the body into no more than three paragraphs, skipping a line between each. (the facility’s physical address) line 3: