ZIP Code 91733

91733 is one of California's ZIP codes, delivering to addresses in South El Monte, Los Angeles County.

City: South El Monte
County: Los Angeles County
State: California
Prefix: 917xx

Where this code sits

91733 is part of the 917xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to South El Monte.

South El Monte California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 91733 delivers to without sharing its boundary.

ZIP codes nearest 91733

The ZIP codes whose reference points sit closest to 91733.
ZIP code	Distance	Delivers to
ZIP code 91734	1.3 mi	El Monte, CA
ZIP code 91735	1.3 mi	El Monte, CA
ZIP code 91731	1.7 mi	El Monte, CA
ZIP code 91732	2.0 mi	El Monte, CA
ZIP code 91771	2.4 mi	Rosemead, CA
ZIP code 91772	2.4 mi	Rosemead, CA
ZIP code 91770	2.4 mi	Rosemead, CA
ZIP code 91780	3.2 mi	Temple City, 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 91733, plotted from its record coordinates.

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

Scope ZIP code 91733. 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.