ZIP Code 92178

92178 is one of California's ZIP codes, delivering to addresses in Coronado, San Diego County.

City: Coronado
County: San Diego County
State: California
Prefix: 921xx

Where this code sits

92178 is part of the 921xx range, the group of codes handled by one mail processing centre. Coronado is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Coronado page.

Coronado California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 92178 delivers to without sharing its boundary.

ZIP codes nearest 92178

The ZIP codes whose reference points sit closest to 92178.
ZIP code	Distance	Delivers to
ZIP code 92118	0.9 mi	Coronado, CA
ZIP code 92155	1.4 mi	San Diego, CA
ZIP code 92112	2.5 mi	San Diego, CA
ZIP code 92135	2.5 mi	San Diego, CA
ZIP code 92138	2.5 mi	San Diego, CA
ZIP code 92142	2.5 mi	San Diego, CA
ZIP code 92147	2.5 mi	San Diego, CA
ZIP code 92149	2.5 mi	San Diego, 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 92178, plotted from its record coordinates.

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

Scope ZIP code 92178. 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.