Receiver’s Contact details (City, State, Zip Code)
First paragraph (Introduction)
It should generate interest on the part of the reader. Explain the reason of writing the letter and show your specific interest in joining the organization.
Second and subsequent paragraphs (Main body)
Try to develop desire and interest in you. Give specific details about your qualification and expertise background that will arouse the reader to a point of reviewing you for the position in relation to the job requirements. Remember to remind the reader about the general information contained in the resume. Keep the story brief and to the point while expressing all your positive points.
Closing paragraph (Include how you can make contact/ set up an interview)
Here, politely ask for action. You can request for an interview or appointment and probably suggest a time when you will make contact.
Yours sincerely/faithfully/ truly
Encl: (Enclose relevant/ supporting documentation such as curriculum vitae and references as mentioned by you in the letter)