ZIP Code 95406 — Santa Rosa, California
📍 ZIP code 95406 is in Santa Rosa, Sonoma County, California.
ZIP code 95406 is a PO Box ZIP code assigned by the U.S. Postal Service in Santa Rosa, Sonoma County, California. It serves post office boxes at a Santa Rosa 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 95406 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 Santa Rosa listed below.
Why there are no demographics for 95406
The Census Bureau publishes demographics for ZIP Code Tabulation Areas (ZCTAs), which are built from populated census blocks. A PO Box ZIP like 95406 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: Sonoma County and the rest of California have hundreds of PO Box and unique ZIPs of this kind.
For the community around Santa Rosa, 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 95406 primarily serves Santa Rosa in Sonoma County, California.