ZIP Code 91917

91917 is one of California's ZIP codes, delivering to addresses in Dulzura, San Diego County.

City: Dulzura
County: San Diego County
State: California
Prefix: 919xx

Where this code sits

91917 is part of the 919xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dulzura.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 91917 delivers to without sharing its boundary.

ZIP codes nearest 91917

The ZIP codes whose reference points sit closest to 91917.
ZIP code	Distance	Delivers to
ZIP code 91987	6.4 mi	Tecate, CA
ZIP code 91980	6.6 mi	Tecate, CA
ZIP code 91963	7.3 mi	Potrero, CA
ZIP code 91935	9.2 mi	Jamul, CA
ZIP code 91915	12 mi	Chula Vista, CA
ZIP code 91914	14 mi	Chula Vista, CA
ZIP code 91906	14 mi	Campo, CA
ZIP code 91901	15 mi	Alpine, 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 91917, plotted from its record coordinates.

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

Scope ZIP code 91917. 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.