ZIP Code 91901 San Diego, Alpine, CA

Today Nov 03, 2025, ZIP Code 91901 resides within San Diego Alpine, exclusively nestled within San Diego County. Serving as a vital tool for efficient mail delivery, this San Diego zip code ensures seamless correspondence within the geographic bounds of the county.

91901 ZIP Code – San Diego, Alpine, CA

The 91901 ZIP code serves San Diego, a neighborhood in Alpine, CA. This code is essential for accurate mail delivery and can also help you find local amenities such as schools, parks, and community events. Using ZIP codes like 91901 allows you to explore different neighborhoods and discover what makes each area unique.

Demographics of ZIP Code 91901

Located in Alpine, California, ZIP Code 91901 has a specific population and density that reflect the local community.

Finding the Right ZIP Code for Alpine, San Diego County

If you need to send mail to Alpine or San Diego County, you can easily find the ZIP code online or by visiting your local post office.

How Many Digits is the San Diego ZIP Code?

The San Diego ZIP code in Alpine is a five-digit number used to identify this specific area.

Does the San Diego ZIP Code Ever Change?

ZIP codes, including those for San Diego, may change due to postal service updates or administrative reasons. Always check for the most current information from official postal sources or local post offices.

Which County is ZIP Code 91901 in?

ZIP code 91901 covers areas within San Diego County, California.