Zip Code ReportBoulder County ZIP codes
Every ZIP code in Boulder County, Colorado, with the city it serves. Open any one for a free neighborhood report.
26 ZIP codes · Boulder County, CO · FIPS 08013
ZIP codes
26 in this county80025Eldorado Springs80026Lafayette80027Louisville80301Boulder80302Boulder80303Boulder80304Boulder80305Boulder80306BoulderPO box80307BoulderPO box80308BoulderPO box80309Boulderunique80310Boulder80314Boulderunique80455Jamestown80466Nederland80471Pinecliffe80481Ward80501Longmont80502LongmontPO box80503Longmont80504Longmont80510Allenspark80533HygienePO box80540Lyons80544Niwot
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.