Union City, CA Zip Code: Find It Here!

# Union City, CA Zip Code: A Complete Guide

Union City, California, is a vibrant and diverse city located in the San Francisco Bay Area. Knowing the correct zip code is essential for various purposes, from sending mail and packages to finding local services and information. This comprehensive guide will provide you with all the zip codes in Union City, along with helpful information about the city.

## What is the Zip Code for Union City, CA?

The primary zip code for Union City, CA is **94587**. However, due to its size and population, Union City is also served by other zip codes. Here’s a breakdown:

*   **94587:** This is the main zip code for Union City, covering a significant portion of the city.
*   **94536:** This zip code also serves part of Union City, primarily the area near the Hayward border.
*   **94538:** While primarily serving Fremont, this zip code also covers a small section of Union City.
*   **94555:** This zip code mainly covers the Pacific Commons area and some surrounding areas.

## Union City Zip Code Map

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It’s always beneficial to visualize zip code boundaries. Consider including a map image or linking to a resource like the USPS zip code map to provide a visual reference for readers.

## Why Are Zip Codes Important?

Zip codes are more than just numbers; they play a crucial role in:

*   **Mail Delivery:** The primary function of zip codes is to streamline mail delivery by helping the USPS sort and route mail efficiently.
*   **Shipping and Logistics:** Shipping companies rely on zip codes to calculate shipping rates and ensure packages reach the correct destination.
*   **Location-Based Services:** Many online services, like finding local businesses or restaurants, use zip codes to provide accurate results.
*   **Data Analysis and Demographics:** Zip codes are often used in demographic studies and data analysis to understand population distribution, income levels, and other important trends. (Source: United States Census Bureau)
*   **Emergency Services:** In emergencies, providing the correct zip code helps dispatchers quickly locate you.

## Understanding Union City, CA: A Brief Overview

Union City is a dynamic city with a rich history and diverse community. Located in Alameda County, it's part of the Tri-City area, along with Fremont and Newark. Here are some key aspects of Union City:

*   **Location:** Situated in the East Bay region of the San Francisco Bay Area.
*   **Population:** As of the latest estimates, Union City has a population of over 70,000 residents. (Source: United States Census Bureau)
*   **History:** Originally an agricultural area, Union City has evolved into a thriving suburban city with a strong economy.
*   **Economy:** Key industries in Union City include technology, manufacturing, and logistics.
*   **Transportation:** Union City is well-connected, with access to major highways, BART (Bay Area Rapid Transit), and other public transportation options.
*   **Education:** The New Haven Unified School District serves Union City, providing a range of educational opportunities for students.
*   **Community:** Union City is known for its diverse community and strong sense of local pride.

## Zip Codes by Address in Union City

To ensure accuracy, it's always best to verify the zip code for a specific address. You can use the following resources:

*   **USPS Zip Code Lookup:** The official USPS website offers a zip code lookup tool where you can enter an address to find the corresponding zip code. (Source: USPS.com)
*   **Online Mapping Services:** Google Maps and other online mapping services often display zip code boundaries and information.

### Common Zip Code Questions in Union City

#### What is the zip code for Union City Civic Center?

The zip code for the Union City Civic Center is **94587**.

#### What zip code is near Union City BART station?

The zip code closest to Union City BART station is **94587**.

#### What is the zip code for businesses in the Pacific Commons area?

The zip code for most businesses in the Pacific Commons area is **94555**.

#### Does Union City share a zip code with Fremont?

Yes, **94538** mainly serves Fremont, but it does cover a small section of Union City.

#### How can I find the zip code for a specific street in Union City?

Use the USPS Zip Code Lookup tool on the USPS website. Enter the full address to find the correct zip code.

## How to Use Zip Codes Effectively

Here are some practical ways to use zip codes effectively:

*   **Mailing and Shipping:** Always include the correct zip code when sending mail or packages to ensure timely delivery.
*   **Online Shopping:** When making online purchases, double-check the shipping address and zip code to prevent errors.
*   **Local Business Searches:** Use zip codes to narrow your search when looking for local businesses, restaurants, or services.
*   **Real Estate:** Zip codes are crucial when searching for homes or properties in a specific area.
*   **Government Services:** Many government agencies use zip codes to provide local information and services.

## Conclusion

Understanding zip codes is essential for navigating Union City, CA, and accessing various services and information. While **94587** is the primary zip code, other zip codes like **94536**, **94538**, and **94555** also serve different parts of the city. Always verify the zip code for a specific address using the USPS Zip Code Lookup tool or other reliable resources. By using zip codes effectively, you can ensure accurate mail delivery, find local businesses, and access important services in Union City.

**Call to Action:** Use the USPS Zip Code Lookup tool to verify any Union City address you need to send mail or packages to! 

## FAQ Section

#### What is the main zip code for Union City, California?

The main zip code for Union City, California is 94587.

#### Are there other zip codes in Union City besides 94587?

Yes, Union City also uses zip codes 94536, 94538, and 94555, which cover different areas within the city and its surrounding regions.

#### How can I find the zip code for a specific address in Union City?

To find the zip code for a specific address, you can use the USPS Zip Code Lookup tool on the official USPS website or use online mapping services like Google Maps.

#### Why is it important to use the correct zip code?

Using the correct zip code ensures that your mail and packages are delivered efficiently and accurately. It also helps with location-based services, data analysis, and emergency services.

#### What areas does the 94555 zip code cover in Union City?

The 94555 zip code primarily covers the Pacific Commons area and some surrounding businesses and residential areas in Union City.

#### How do zip codes affect local business searches?

Zip codes help narrow down your search when looking for local businesses, restaurants, or services, making it easier to find options within a specific geographic area.

#### Can zip codes be used for demographic studies?

Yes, zip codes are often used in demographic studies and data analysis to understand population distribution, income levels, and other important trends within specific areas.