Signal Hill, CA ZIP Codes & Directory
Signal Hill is located in Los Angeles County in California. Browse all active 5-digit USPS ZIP codes serving Signal Hill and surrounding Los Angeles County delivery districts.
All ZIP Codes in Signal Hill, CA
1 CodesAbout Signal Hill Mail Delivery & Postal Administration
ZIP codes in Signal Hill are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Los Angeles County and surrounding California metropolitan districts.
Frequently Asked Questions About Signal Hill, CA ZIP Codes
How many ZIP codes serve Signal Hill, California? ▾
Signal Hill, California is served by 1 active USPS postal delivery codes: 90755.
What county is Signal Hill located in? ▾
Signal Hill is an incorporated city located within Los Angeles County, California.
What is the population and demographic size of Signal Hill? ▾
According to official U.S. Census Bureau data, Signal Hill has an estimated population of 11,923 residents and is situated within the undefined.
How does mail sorting and delivery work in Signal Hill? ▾
Mail delivery in Signal Hill is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Los Angeles County and surrounding California counties.
How much does it cost to ship a package to Signal Hill, CA? ▾
Shipping costs to Signal Hill 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 Signal Hill? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Signal Hill, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.