ZIP Code 91320

91320 is one of California's ZIP codes, delivering to addresses in Newbury Park, Ventura County.

City: Newbury Park
County: Ventura County
State: California
Prefix: 913xx

Where this code sits

91320 is part of the 913xx range, the group of codes handled by one mail processing centre. Newbury Park is served by 2 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 91320 delivers to without sharing its boundary.

ZIP codes nearest 91320

The ZIP codes whose reference points sit closest to 91320.
ZIP code	Distance	Delivers to
ZIP code 91319	1.5 mi	Newbury Park, CA
ZIP code 91360	4.2 mi	Thousand Oaks, CA
ZIP code 93012	4.2 mi	Camarillo, CA
ZIP code 91358	5.6 mi	Thousand Oaks, CA
ZIP code 91361	6.0 mi	Westlake Village, CA
ZIP code 93011	6.4 mi	Camarillo, CA
ZIP code 91362	6.5 mi	Thousand Oaks, CA
ZIP code 93010	7.3 mi	Camarillo, 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 91320, plotted from its record coordinates.

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

Scope ZIP code 91320. 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.