Do not use the sign # before the number of the street address. No letters or sign at all should be used there. See §155.
Compare the following forms of addresses:
| Bad: | Col. Wm. Point, |
| #200 John St., |
| Trenton, N. J. |
| |
| Good: | Colonel William Point, |
| 200 John Street, |
| Trenton, |
| New Jersey. |
| |
| Good: | Colonel William Point |
| 200 John Street |
| Trenton, New Jersey |
| |
| Bad: | Chas. Jones, |
| c/o Edward Furrey, |
| Wilkinsburg, Pa. |
| |
| Good: | Mr. Charles Jones |
| In care of Mr. Edward Furrey |
| Wilkinsburg |
| Pennsylvania |
| |
| Bad: | Rev. Walter Bertin |
| Good: | The Reverend Walter Bertin |
| |
| Bad: | Pres. of Bucknell Univ. |
| Good: | For the President of Bucknell University. |
| |
| Bad: | Pres. of Bucknell Univ. |
| Good: | For the President of Bucknell University. |
A properly arranged address:

174. Correctly Written Letters
| 200 Mead Avenue, |
| Wilkinsburg, Pennsylvania, |
| January 12, 1909. |
| Mr. A. M. Weaver, |
| Cambridge, Massachusetts. |
My dear Sir:
I have received your letter of inquiry about the sale of my law books. I will say in answer that at present I have no intention of selling them.