Located in the heart of Contra Costa County, California, Walnut Creek is a charming city known for its vibrant downtown area, scenic parks, and excellent schools. With a population of over 70,000 residents, Walnut Creek is a popular place to live, work, and visit. If you’re new to the area or planning to move here, understanding the zip code system is essential for navigating the city and its surrounding neighborhoods. In this comprehensive guide, we’ll delve into the world of Walnut Creek zip codes, area codes, and provide valuable insights to help you find your way around this beautiful city.
Understanding Zip Codes in Walnut Creek

Walnut Creek has several zip codes, each corresponding to a specific area or neighborhood. The most common zip codes in Walnut Creek are 94595, 94596, 94597, and 94598. These zip codes are used by the United States Postal Service (USPS) to deliver mail and packages to residents and businesses. Here’s a breakdown of each zip code and the areas they cover:
- 94595: This zip code covers the downtown area, including the popular Broadway Plaza and the Walnut Creek BART station.
- 94596: This zip code encompasses the northern part of the city, including the neighborhoods of Saranap and Rossmoor.
- 94597: This zip code covers the southern part of the city, including the neighborhoods of Walnut Creek Heights and Parkmead.
- 94598: This zip code is used for post office boxes and is not assigned to a specific geographic area.
Area Codes in Walnut Creek

In addition to zip codes, Walnut Creek also has several area codes. An area code is a three-digit code that identifies a specific region or city. The area codes used in Walnut Creek are 925 and 510. These area codes are used for phone calls and are an essential part of the city’s communication infrastructure.
- 925: This area code is used for most landline phones in Walnut Creek and is the primary area code for the city.
- 510: This area code is used for some phone numbers in Walnut Creek, particularly those assigned to businesses and residents in the northern part of the city.
Finding Your Zip Code and Area Code
If you’re new to Walnut Creek or need to find your zip code and area code, there are several ways to do so. Here are a few options:
- Check your mail: Look at the zip code on your mail or packages to determine which zip code you live in.
- Use online tools: Websites like USPS.com or Google Maps can help you find your zip code and area code based on your address.
- Contact the post office: Visit the Walnut Creek post office or call them to ask about your zip code and area code.
When moving to a new area, it's essential to update your address with the USPS and other relevant parties to ensure you receive your mail and packages correctly. You can update your address online or visit the post office in person.
Neighborhoods in Walnut Creek
Walnut Creek has several distinct neighborhoods, each with its unique character and charm. Here are some of the most popular neighborhoods in Walnut Creek:
- Downtown Walnut Creek: This vibrant area is known for its shops, restaurants, and entertainment options.
- Saranap: This neighborhood is located in the northern part of the city and is known for its tree-lined streets and historic homes.
- Rossmoor: This gated community is located in the northern part of the city and is known for its upscale homes and private golf course.
- Walnut Creek Heights: This neighborhood is located in the southern part of the city and is known for its panoramic views of the Bay Area.
- Parkmead: This neighborhood is located in the southern part of the city and is known for its parks and outdoor recreational facilities.
Step-by-Step Guide to Finding Your Neighborhood
- Use online maps to explore the different neighborhoods in Walnut Creek.
- Drive or walk through the neighborhoods to get a feel for the area.
- Talk to locals and ask about their favorite neighborhoods and why they like them.
- Consider factors like commute time, schools, and amenities when choosing a neighborhood.
Conclusion

In conclusion, understanding the zip code system and area codes in Walnut Creek is essential for navigating the city and its surrounding neighborhoods. By knowing your zip code and area code, you can ensure that you receive your mail and packages correctly and stay connected with friends and family. Whether you’re a resident, business owner, or visitor, this guide has provided you with valuable insights and information to help you find your way around this beautiful city.
What is the main zip code for Walnut Creek?
+The main zip code for Walnut Creek is 94595, which covers the downtown area and surrounding neighborhoods.
What is the area code for Walnut Creek?
+The primary area code for Walnut Creek is 925, although some phone numbers in the northern part of the city use the 510 area code.
How do I find my zip code and area code in Walnut Creek?
+You can find your zip code and area code by checking your mail, using online tools, or contacting the post office. You can also use websites like USPS.com or Google Maps to find your zip code and area code based on your address.
By following this guide, you’ll be well on your way to navigating the city of Walnut Creek like a local. Remember to update your address with the USPS and other relevant parties to ensure you receive your mail and packages correctly. Happy exploring!