National City, CA ZIP Codes & Directory
National City is located in San Diego County in California. Browse all active 5-digit USPS ZIP codes serving National City and surrounding San Diego County delivery districts.
All ZIP Codes in National City, CA
1 CodesAbout National City Mail Delivery & Postal Administration
ZIP codes in National City are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing San Diego County and surrounding California metropolitan districts.
Frequently Asked Questions About National City, CA ZIP Codes
How many ZIP codes serve National City, California? ▾
National City, California is served by 1 active USPS postal delivery codes: 91950.
What county is National City located in? ▾
National City is an incorporated city located within San Diego County, California.
What is the population and demographic size of National City? ▾
According to official U.S. Census Bureau data, National City has an estimated population of 57,849 residents and is situated within the undefined.
How does mail sorting and delivery work in National City? ▾
Mail delivery in National City is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing San Diego County and surrounding California counties.
How much does it cost to ship a package to National City, CA? ▾
Shipping costs to National City depend on the package weight, dimensions, shipping carrier (USPS, UPS, FedEx), and the distance from the origin ZIP code. To calculate exact postage rates, use our shipping cost estimator tool.
What is the standard delivery time for mail to National City? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach National City, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.