ZIP Code 91423

91423 is one of California's ZIP codes, delivering to addresses in Sherman Oaks, Los Angeles County.

City: Sherman Oaks
County: Los Angeles County
State: California
Prefix: 914xx

Where this code sits

91423 is part of the 914xx range, the group of codes handled by one mail processing centre. Sherman Oaks is served by 4 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 91423 delivers to without sharing its boundary.

ZIP codes nearest 91423

The ZIP codes whose reference points sit closest to 91423.
ZIP code	Distance	Delivers to
ZIP code 91413	1.0 mi	Sherman Oaks, CA
ZIP code 91495	1.0 mi	Sherman Oaks, CA
ZIP code 91403	1.6 mi	Sherman Oaks, CA
ZIP code 91401	1.9 mi	Van Nuys, CA
ZIP code 91614	2.1 mi	Studio City, CA
ZIP code 91607	2.2 mi	Valley Village, CA
ZIP code 91617	2.2 mi	Valley Village, CA
ZIP code 91411	2.3 mi	Van Nuys, 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 91423, plotted from its record coordinates.

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

Scope ZIP code 91423. 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.