Rock County ZIP codes

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

14 ZIP codes · Rock County, WI · FIPS 55105

ZIP codes

14 in this county

53501Afton 53505Avalon 53511Beloit 53512BeloitPO box 53525Clinton 53534Edgerton 53536Evansville 53537Footville 53545Janesville 53546Janesville 53547JanesvillePO box 53548Janesville 53563Milton 53576Orfordville

2 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.