Zip Code ReportContra Costa County ZIP codes
Every ZIP code in Contra Costa County, California, with the city it serves. Open any one for a free neighborhood report.
49 ZIP codes · Contra Costa County, CA · FIPS 06013
ZIP codes
49 in this county94505Discovery Bay94506Danville94507Alamo94509Antioch94511Bethel Island94513Brentwood94514Byron94516Canyon94517Clayton94518Concord94519Concord94520Concord94521Concord94522ConcordPO box94523Pleasant Hill94524ConcordPO box94525Crockett94526Danville94528Diablo94530El Cerrito94531Antioch94547Hercules94548Knightsen94549Lafayette94553Martinez94556Moraga94561Oakley94563Orinda94564Pinole94565Pittsburg94569Port Costa94570MoragaPO box94572Rodeo94575Moraga94582San Ramon94583San Ramon94595Walnut Creek94596Walnut Creek94597Walnut Creek94598Walnut Creek94801Richmond94802RichmondPO box94803El Sobrante94804Richmond94805Richmond94806San Pablo94807RichmondPO box94820El SobrantePO box94850Richmondunique
7 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.