ZIP Code 93438

93438 is one of California's ZIP codes, delivering to addresses in Lompoc, Santa Barbara County.

City: Lompoc
County: Santa Barbara County
State: California
Prefix: 934xx

Where this code sits

93438 is part of the 934xx range, the group of codes handled by one mail processing centre. Lompoc is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Lompoc page.

Lompoc California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 93438 delivers to without sharing its boundary.

ZIP codes nearest 93438

The ZIP codes whose reference points sit closest to 93438.
ZIP code	Distance	Delivers to
ZIP code 93436	1.4 mi	Lompoc, CA
ZIP code 93437	8.6 mi	Lompoc, CA
ZIP code 93455	13 mi	Santa Maria, CA
ZIP code 93429	15 mi	Casmalia, CA
ZIP code 93427	15 mi	Buellton, CA
ZIP code 93440	16 mi	Los Alamos, CA
ZIP code 93463	16 mi	Solvang, CA
ZIP code 93441	20 mi	Los Olivos, 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 93438, plotted from its record coordinates.

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

Scope ZIP code 93438. 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.