ZIP Code 91951
91951 is one of California's ZIP codes, delivering to addresses in National City, San Diego County.
- City
- National City
- County
- San Diego County
- State
- California
- Prefix
- 919xx
Where this code sits
91951 is part of the 919xx range, the group of codes handled by one mail processing centre. National City is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the National City page.
National City California ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 91951 delivers to without sharing its boundary.
ZIP codes nearest 91951
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 91950 | 0.6 mi | National City, CA |
| ZIP code 92136 | 1.4 mi | San Diego, CA |
| ZIP code 92113 | 1.6 mi | San Diego, CA |
| ZIP code 91909 | 2.8 mi | Chula Vista, CA |
| ZIP code 91912 | 2.8 mi | Chula Vista, CA |
| ZIP code 91921 | 2.8 mi | Chula Vista, CA |
| ZIP code 92102 | 2.8 mi | San Diego, CA |
| ZIP code 92139 | 3.0 mi | San Diego, 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.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 91951. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.