ZIP Code 91978 – Spring Valley, California | ZipsCode.us
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ZIP Code 91978
Spring Valley, California · San Diego
ZIP code 91978 belongs to the city of Spring Valley in California (San Diego). See all California ZIP Codes.
ZIP code 91978 belongs to Spring Valley, California, in San Diego. If you are mailing a letter or package to this area, use Spring Valley, CA 91978 in the address. On this page you will find the city and county for 91978, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 91978?
The city for ZIP code 91978 is Spring Valley, California. When you write an address in this area, the correct format is: Name, Street Address, Spring Valley, CA 91978.
ZIP Code 91978 County and State
ZIP code 91978 is located in San Diego, California. For a complete list of cities and ZIP codes across the state, see the California ZIP Codes page.
Nearby ZIP Codes in San Diego
These ZIP codes are in the same county as 91978:
ZIP Code 91978 on the Map
The map below shows the approximate center of ZIP code 91978, near Spring Valley, California. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 32.7329, -116.9596). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 91978
According to public U.S. Census Bureau data, ZIP code 91978 is home to a community in California. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 91978
Need the full ZIP+4 code for a specific street address in Spring Valley? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 91978?
ZIP code 91978 is for Spring Valley, California.
What county is ZIP code 91978 in?
ZIP code 91978 is in San Diego, California.
What state is ZIP code 91978 in?
ZIP code 91978 is in California (CA).
How do I find the ZIP+4 for an address in 91978?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 91978?
Nearby ZIP codes include 91901 (Alpine), 91902 (Bonita), 91903 (Alpine), 91905 (Boulevard), 91906 (Campo).
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