142431 Zip Apr 2026

: Located in Shelby County, Illinois . This is a smaller rural area with a population of just over 1,000 residents.

: A major ZIP code located primarily in Hopkins County, Kentucky . It serves the city of Madisonville and has a population of approximately 27,207. 142431 zip

: Located in Wayne County, Pennsylvania , this area is historically significant as the birthplace of the American railroad. How to Verify a ZIP Code ZIP Code™ Lookup | USPS : Located in Shelby County, Illinois