Sierra County Zip CodesCalifornia Zipcode Database for Loyalton.

US County Zip Codes by cccarto.com Zip Code Index

The above Sierra County map shows zip code polygons for the county. Data source below is the new Census 2010 Tiger Zip Code data. Sierra zip code database below is comma delimited data sorted by county, city, zip code. Find zip codes for these cities and communities in Sierra County, California: Loyalton Zip Codes.