ZIP Code 91383 — Santa Clarita, California
📍 ZIP code 91383 is in Santa Clarita, Los Angeles County, California.
ZIP code 91383 is a PO Box ZIP code assigned by the U.S. Postal Service in Santa Clarita, Los Angeles County, California. It serves post office boxes at a Santa Clarita 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 91383 is handled in the Pacific Time Zone and the local area code is 661. The demographic profile of the surrounding community is on the standard delivery ZIP pages for Santa Clarita listed below.
Why there are no demographics for 91383
The Census Bureau publishes demographics for ZIP Code Tabulation Areas (ZCTAs), which are built from populated census blocks. A PO Box ZIP like 91383 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: Los Angeles County and the rest of California have hundreds of PO Box and unique ZIPs of this kind.
For the community around Santa Clarita, 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 91383 primarily serves Santa Clarita in Los Angeles County, California.