ZIP Code 93430

93430 is one of California's ZIP codes, delivering to addresses in Cayucos, San Luis Obispo County.

City: Cayucos
County: San Luis Obispo County
State: California
Prefix: 934xx

Where this code sits

93430 is part of the 934xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cayucos.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 93430 delivers to without sharing its boundary.

ZIP codes nearest 93430

The ZIP codes whose reference points sit closest to 93430.
ZIP code	Distance	Delivers to
ZIP code 93442	5.2 mi	Morro Bay, CA
ZIP code 93435	5.8 mi	Harmony, CA
ZIP code 93443	5.9 mi	Morro Bay, CA
ZIP code 93423	6.9 mi	Atascadero, CA
ZIP code 93402	9.4 mi	Los Osos, CA
ZIP code 93412	9.8 mi	Los Osos, CA
ZIP code 93465	13 mi	Templeton, CA
ZIP code 93422	13 mi	Atascadero, CA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 93430, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 93430. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.