ZIP Code 95518 — Arcata, California
📍 ZIP code 95518 is in Arcata, Humboldt County, California.
ZIP code 95518 is a PO Box ZIP code assigned by the U.S. Postal Service in Arcata, Humboldt County, California. It serves post office boxes at a Arcata post office rather than street addresses, which is why the Census Bureau reports no resident population, income or housing figures for it. Mail addressed to 95518 is handled in the Pacific Time Zone and the local area code is 707. The demographic profile of the surrounding community is on the standard delivery ZIP pages for Arcata listed below.
ZIP Code 95518 Map
Coordinates: 40.8814°N, 123.9842°W
Why there are no demographics for 95518
The Census Bureau publishes demographics for ZIP Code Tabulation Areas (ZCTAs), which are built from populated census blocks. A PO Box ZIP like 95518 has no delivery territory of its own, so there is no ZCTA and no population, income, housing or education estimate to report. This is normal: Humboldt County and the rest of California have hundreds of PO Box and unique ZIPs of this kind.
For the community around Arcata, use the delivery ZIPs that do carry Census data:
How ZIPs and ZCTAs differ is explained on the methodology page.
Nearby Zip Codes
Cities & Places Served
ZIP code 95518 primarily serves Arcata in Humboldt County, California.