| Coffey Zip Code, Kansas - USA | |||
| BURLINGTON | 66839 | 38.236316 | -95.733598 |
| GRIDLEY | 66852 | 38.105539 | -95.794536 |
| LE ROY | 66857 | 38.11486 | -95.685599 |
| LEBO | 66856 | 38.237155 | -95.790281 |
| WAVERLY | 66871 | 38.346908 | -95.628088 |
Both Thomas Jefferson and John Adams passed away on July 4, 1826, 50 years after the Declaration of Independence was signed.