Postal reference
ZIP 91978, California
ZIP code 91978 is associated with Spring Valley in California in the GeoNames postal reference.
Reference details
- State
- California (CA)
- ZIP code
- 91978
- Associated localities
- Spring Valley
- County names in postal records
- San Diego
- Approximate postal point
- 32.7329, -116.9596
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.