Knox County ZIP codes

Every ZIP code in Knox County, Ohio, with the city it serves. Open any one for a free neighborhood report.

9 ZIP codes · Knox County, OH · FIPS 39083

ZIP codes

9 in this county

43005Bladensburg 43011Centerburg 43014Danville 43019Fredericktown 43022Gambier 43028Howard 43037Martinsburg 43048Mount LibertyPO box 43050Mount Vernon

1 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.