The head of the letter is located on top of your cover letter which will contain your name, address and contact numbers or emails. (careersearchamerica.squarespace.com)
This comes at the very top of the cover letter, even before the address block. (moderntailoredresumes.com)
Put a «skill summary» or «profile» section on top of the cover letter, and make sure to include keywords from the job description in either of these sections. (livecareer.com)