91979 ZIP Code — Spring Valley, CA
San Diego County, California
ZIP code 91979 is located in Spring Valley, California, within San Diego County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 619.
0
population
0.00
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91979 ZIP code map
Cities in ZIP code 91979
Below are the cities the US Postal Service accepts for ZIP code 91979. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Spring Valley | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 06 |
| County FIPS | 073 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 32.7449 |
| Longitude | -116.9981 |
| Timezone | Pacific (PT) |
| Area code | 619 |