Position: In American English the sender's address is usually placed in the top left corner, below the date, or at the end of the letter, below the signature..
Sender's address below the date:
Sender's address below the signature:
On envelopes, the post office requests all addresses be typed flush left, and written or typed in all capitals with no punctuation marks unless they are part of a place name (e.g., ST.JOHN'S).
Examples:
| Example 1 (within USA) | Example 2 from UK to USA |
| MR. COLIN THOMAS ACCOUNT MANAGER MICRO-MACROS INC 323 LAKE SHORE ROAD CRYSTAL CITY SK K5K 3B3 CANADA (if required) | MR. COLIN THOMAS ACCOUNTANT MANAGER MICRO-MACROS INC 323 LAKE SHORE ROAD CRYSTAL CITY MA 32119-4678 USA (if required) |
In Canadian addresses, the two-letter province abbreviation is separated from the postal code by two spaces.
In American addresses, separate the zip code from the state abbreviation by two spaces. The zip code may be either five or nine digits. If the nine digit format is used, there will be a hyphen between the fifth and sixth digits.
Use the country name only if your letter is being sent outside your country.
Here are some more examples of addresses:
| Example 1 (within USA) | Example 2 from UK to USA |
| Jesse Maggio 101 Roaring Rd. Shirley, NY 11967 | Registered / Recommender Special Logistics Team Ltd Engineering Company Attn: Ms Jenny Testperson 2100 Harding Rd Costa Mesa, CA 92626 USA |
