What should the heading of a business letter include?

The letter heading contains the sender's address. The date is the last line of the heading. Letterhead can substitute for the sender's address but the date must be placed below the letterhead.

The sender's address for a standard format and a modified block format is justified at the right margin; for a full block format, the sender's address is justified at the left margin. The placement of the date of the letter is one blank space below the address. For any of the above formats, a senders address may be centered but the date should be at the right or the left margin, depending on the above formats used. Sample block format:

Mr. I.M. Somebody

12345 Major Highway

City, State etc.

My Telephone Number

My email Address

Date of Letter