ZIP Code 92780

92780 is one of California's ZIP codes, delivering to addresses in Tustin, Orange County.

City: Tustin
County: Orange County
State: California
Prefix: 927xx

Where this code sits

92780 is part of the 927xx range, the group of codes handled by one mail processing centre. Tustin is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Tustin page.

Tustin California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 92780 delivers to without sharing its boundary.

ZIP codes nearest 92780

The ZIP codes whose reference points sit closest to 92780.
ZIP code	Distance	Delivers to
ZIP code 92781	0.3 mi	Tustin, CA
ZIP code 92782	2.1 mi	Tustin, CA
ZIP code 92701	2.1 mi	Santa Ana, CA
ZIP code 92705	2.2 mi	Santa Ana, CA
ZIP code 92735	2.2 mi	Santa Ana, CA
ZIP code 92711	2.4 mi	Santa Ana, CA
ZIP code 92702	2.8 mi	Santa Ana, CA
ZIP code 92606	2.9 mi	Irvine, 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 92780, plotted from its record coordinates.

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

Scope ZIP code 92780. 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.