| Washington Zip Code, Colorado - USA | |||
| AKRON | 80720 | 40.073328 | -103.202379 |
| ANTON | 80801 | 39.690908 | -103.137281 |
| COPE | 80812 | 39.684772 | -102.99038 |
| LINDON | 80740 | 39.790894 | -103.414172 |
| OTIS | 80743 | 40.163025 | -103.042516 |
| WOODROW | 80757 | 39.804985 | -103.57521 |
Both Thomas Jefferson and John Adams passed away on July 4, 1826, 50 years after the Declaration of Independence was signed.