ZIP Code 92870

92870 is one of California's ZIP codes, delivering to addresses in Placentia, Orange County.

City: Placentia
County: Orange County
State: California
Prefix: 928xx

Where this code sits

92870 is part of the 928xx range, the group of codes handled by one mail processing centre. Placentia is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Placentia page.

Placentia California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 92870 delivers to without sharing its boundary.

ZIP codes nearest 92870

The ZIP codes whose reference points sit closest to 92870.
ZIP code	Distance	Delivers to
ZIP code 92871	0.6 mi	Placentia, CA
ZIP code 92811	1.4 mi	Atwood, CA
ZIP code 92885	2.2 mi	Yorba Linda, CA
ZIP code 92834	2.5 mi	Fullerton, CA
ZIP code 92831	2.5 mi	Fullerton, CA
ZIP code 92899	2.7 mi	Anaheim, CA
ZIP code 92806	2.8 mi	Anaheim, CA
ZIP code 92836	2.8 mi	Fullerton, 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 92870, plotted from its record coordinates.

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

Scope ZIP code 92870. 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.