Rules for ZIP Code 93401
San Luis Obispo, CA · San Luis Obispo County
ZIP 93401 is governed by the city of San Luis Obispo, CA. We do not hold its code yet, and San Luis Obispo County ordinances do not apply inside its limits.
ZIP code 93401 lies in the city of San Luis Obispo, CA, which holds about 87% of the ZIP's residents and writes its own local code. We have not added San Luis Obispo's ordinances yet, so nothing is shown below: San Luis Obispo County rules govern only unincorporated land and do not reach inside San Luis Obispo.
ZIP codes do not follow city lines. 93401 also covers:
- unincorporated San Luis Obispo County~13% of residents
Shares are estimates from 2020 Census geography. If your address is in one of these, its rules apply instead.
Each topic below links to the full ordinance breakdown with specific code sections, fine amounts, and answers to common questions. The data is sourced from the official municipal code and verified by our editorial team.
San Luis Obispo is not covered yet
The city of San Luis Obispo writes its own code; the county's rules do not apply inside it.Request San Luis Obispo coverage →
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