San Dimas, CA ZIP Code: Find It Here

Nick Leason

-Oct 6, 2025

Need the ZIP code for San Dimas, California? This guide provides the information you need, along with details about the city, its location, and frequently asked questions. Whether you're sending mail or researching the area, find the San Dimas ZIP code quickly and easily.

Key Takeaways

The main ZIP code for San Dimas, California is 91773.
San Dimas is located in Los Angeles County, California, known for its suburban atmosphere and outdoor attractions.
Using the correct ZIP code ensures accurate and timely mail delivery.
Understanding ZIP codes can be helpful for various purposes, including address verification and location-based services.
San Dimas offers a blend of residential areas, commercial centers, and recreational opportunities.

Introduction

Finding the correct ZIP code is crucial for efficient mail delivery and various other purposes. This article focuses on providing the ZIP code for San Dimas, California, a vibrant city in Los Angeles County. We'll also delve into the city's background, its location, and answer frequently asked questions to give you a comprehensive understanding.

What & Why (San Dimas and ZIP Codes)

What is a ZIP Code?

ZIP (Zone Improvement Plan) codes are postal codes used by the United States Postal Service (USPS) to streamline mail delivery. They consist of five digits, and sometimes a four-digit add-on code, that identify a specific geographic area within the United States. These codes help the USPS sort and deliver mail more efficiently.

Why are ZIP Codes Important?

Accurate Mail Delivery: ZIP codes ensure that mail reaches the correct destination promptly.
Address Verification: They help verify addresses, reducing the chances of misdelivery.
Location-Based Services: ZIP codes are used in various applications, such as mapping, navigation, and location-based marketing.
Data Analysis: Businesses use ZIP codes for demographic analysis, market research, and targeted advertising.

About San Dimas, California

San Dimas is a city located in Los Angeles County, California, known for its suburban charm and a mix of residential, commercial, and recreational areas. Nestled against the foothills of the San Gabriel Mountains, it offers a desirable quality of life with a blend of urban conveniences and natural beauty.

Why Know the San Dimas ZIP Code?

Sending Mail: The most obvious reason is to ensure your mail reaches its intended recipient in San Dimas.
Visiting San Dimas: If you're planning a trip, knowing the ZIP code can help with navigation and finding local businesses.
Researching the Area: ZIP codes can be used to gather demographic and geographic information about San Dimas.
Online Transactions: Many online forms require a ZIP code for address verification during purchases or registrations.

San Dimas ZIP Code: 91773

The primary ZIP code for San Dimas, California is 91773. This ZIP code covers the majority of the city's residential and commercial areas. While there may be other specific ZIP+4 codes within San Dimas, 91773 is the most commonly used and recognized.

How to Use the San Dimas ZIP Code

Using the ZIP code correctly is essential for ensuring your mail reaches its destination without delay. Here's how to use it effectively:

When Addressing Mail:
- Write the recipient's full name and address on the envelope or package.
- Include the street address, city, and state.
- Add the ZIP code 91773 at the end of the address line.
Example:
```
[Recipient Name]
[Street Address]
San Dimas, CA 91773
```
Online Forms:
- When filling out online forms that require an address, enter the ZIP code 91773 in the designated field.
- This ensures accurate address verification and can be crucial for shipping, billing, and registration processes.
Navigation and Mapping:
- Use the ZIP code 91773 in GPS devices or online mapping services to locate areas within San Dimas.
- This can be helpful for planning routes, finding businesses, or exploring the city.

Examples & Use Cases

Sending a Letter to a Resident in San Dimas

If you're sending a letter to a friend or family member in San Dimas, make sure to include the ZIP code 91773 in the address. This will help the USPS deliver the mail to the correct location efficiently.

Ordering Products Online

When purchasing items online and shipping them to San Dimas, provide the ZIP code 91773 in the shipping address. This ensures that the package is routed to the appropriate local post office for delivery. — New NFL Overtime Rules: What You Need To Know

Finding Local Businesses

If you're searching for businesses or services in San Dimas using online directories or search engines, including the ZIP code 91773 in your search query can help narrow down the results and find businesses within the city.

Planning a Visit

When planning a trip to San Dimas, use the ZIP code 91773 in mapping applications to get directions, estimate travel times, and find accommodations or attractions in the area. — Montreal Weather In June: Your Ultimate Guide

Best Practices & Common Mistakes

Best Practices for Using ZIP Codes

Always Include the ZIP Code: Never omit the ZIP code when addressing mail or filling out forms. It's a crucial part of the address and helps ensure accurate delivery.
Verify the ZIP Code: If you're unsure about the ZIP code, use the USPS ZIP Code Lookup tool on their website to verify it.
Use the Correct ZIP+4 Code (If Available): For more precise delivery, use the ZIP+4 code, which includes the five-digit ZIP code plus a four-digit add-on code that identifies a specific street or building.
Write Clearly: Ensure the address and ZIP code are written legibly to prevent misinterpretation by postal workers or automated sorting systems.

Common Mistakes to Avoid

Omitting the ZIP Code: Forgetting to include the ZIP code is a common mistake that can lead to delays or misdelivery.
Using the Wrong ZIP Code: Using an incorrect ZIP code can result in mail being sent to the wrong location. Always double-check the ZIP code before sending mail or filling out forms.
Writing Illegibly: Poor handwriting can make it difficult to read the ZIP code, leading to errors in sorting and delivery.
Ignoring ZIP+4 Codes: While not always necessary, using the ZIP+4 code can improve delivery accuracy, especially for businesses or large buildings.

FAQs About San Dimas ZIP Code

Q1: What is the ZIP code for San Dimas, CA?

The primary ZIP code for San Dimas, California is 91773.

Q2: Where is San Dimas located?

San Dimas is located in Los Angeles County, California, near the foothills of the San Gabriel Mountains.

Q3: Why is it important to use the correct ZIP code?

Using the correct ZIP code ensures accurate and timely mail delivery, helps with address verification, and is used in various location-based services.

Q4: How can I find the ZIP code for a specific address in San Dimas?

You can use the USPS ZIP Code Lookup tool on their website or other online address verification services.

Q5: Are there any other ZIP codes in San Dimas besides 91773?

While 91773 is the primary ZIP code for San Dimas, there may be specific ZIP+4 codes within the city for certain streets or buildings. However, 91773 is the most commonly used.

Q6: What should I do if I don't know the ZIP code for an address? — CVS Pharmacy In Woodland Hills, CA: Services & More

You can use the USPS ZIP Code Lookup tool on their website or contact the local post office for assistance.

Conclusion

Knowing the ZIP code for San Dimas, CA, is essential for efficient mail delivery and various other purposes. The primary ZIP code for San Dimas is 91773. Ensure you use this ZIP code when sending mail, filling out forms, or using location-based services. If you have any questions or need further assistance, the USPS website and local resources are available to help. Make sure to use the correct ZIP code to ensure your mail reaches its destination promptly!

Last updated: October 26, 2023, 18:32 UTC