| Boyd Zip Code, Kentucky - USA | |||
| ASHLAND | 41101 | 38.43296 | -82.693914 |
| ASHLAND | 41102 | 38.421818 | -82.717284 |
| ASHLAND | 41105 | 38.370285 | -82.694757 |
| ASHLAND | 41114 | 38.370285 | -82.694757 |
| CATLETTSBURG | 41129 | 38.349127 | -82.649833 |
| RUSH | 41168 | 38.30911 | -82.717666 |
Both Thomas Jefferson and John Adams passed away on July 4, 1826, 50 years after the Declaration of Independence was signed.