
© Goodcall 2026
Built with ❤ by humans and AI agents in California, Egypt, GPUland, Virginia and Washington
The 510 area code covers the highly dense, vital region of the East Bay in the San Francisco Bay Area, making it an essential choice for businesses seeking a credible local presence in the region’s key technology, shipping, academic, and cultural centers.
Getting a 510 number helps companies build trust, improve call response rates, and connect more effectively with customers across Oakland, Berkeley, Hayward, and the broader Alameda and Contra Costa County areas. The 510 area code is a high-demand code for its region and is overlaid by the 341 area code.
The 510 area code is a telephone area code in the North American Numbering Plan (NANP) serving a critical, high-density region of the East Bay in California. It primarily covers the coastal, industrial, and fast-growing metropolitan areas on the eastern side of the San Francisco Bay.
It covers the core of Alameda and Contra Costa counties, including cities like Oakland, Berkeley, Hayward, and Fremont. The 510 area code was created on September 2, 1991, as a split from the original 415 area code, which previously covered the entire Bay Area.
The 510 area code encompasses the core region of the East Bay in the San Francisco Bay Area, serving as a primary and historically significant area code for the region. This area includes major centers of technology, education, and international trade and is overlaid by the 341 area code.
Here is a comprehensive breakdown of the major counties and cities covered by the 510 area code:
The 510 area code serves the core of the East Bay in California, which is a unique and high-value numbering plan area. The local economy of the region is characterized by exceptionally high income levels. Based on the analysis of Alameda County, the median household income is $126,240 and the average per capita income is $73,582. The region's poverty rate stands at 9.22%.
Demographically, the population is distinctly diverse:
The 510 area code, which serves the core of the East Bay in California, is located entirely within the Pacific Time Zone (PT). This means that during standard time, the time zone is Pacific Standard Time (PST), which is UTC-8. During daylight saving time, the time zone is Pacific Daylight Time (PDT), which is UTC-7.
The 510 area code adds local trust and credibility, making it valuable for local businesses. Here’s how a business number with the 510 area code is important for your business:
When customers see a local 510 area code number, they immediately recognize it as part of their community. This familiarity creates trust and reduces hesitation to answer calls. Research shows that consumers are more likely to pick up calls from numbers with local area codes compared to unfamiliar or out-of-state numbers.
For small businesses, using a local area code 510 number shows commitment to serving the community. For larger enterprises, it signals accessibility and helps build stronger relationships with regional customers.
Some well-known enterprises that would benefit from a local 510 number include:
The 510 area code provides a local caller ID that increases customer trust, making it easier for banks to confirm high-value transactions, issue fraud alerts, and manage communications with commercial and retail clientele across the East Bay.
The 510 area code helps the East Bay's world-class hospitals and clinics reduce missed appointments and provides local, trusted lines for patient support, specialty care, and academic medical coordination.
The 510 code provides dedicated local service lines that improve coordination for international trade, shipping, and the complex freight infrastructure centered around one of the busiest ports in the United States.
The 510 code enables IT companies and hardware manufacturers to offer localized sales, support, and deployment hotlines that businesses trust, especially within the East Bay's thriving tech corridor.
The 510 area code offers local numbers for claims, underwriting, and customer assistance, enhancing trust and reducing response times for property and casualty insurance in the high-value Bay Area market.
Setting up your 510 area code number with Goodcall is quick and straightforward. Here’s how it works:
Choosing Goodcall means more than just getting a local number; it means equipping your business with tools to handle calls efficiently.
With these advantages, Goodcall makes it easier for you to manage calls and focus on growing your business.
Our local 510 area code numbers come with affordable pricing plans designed to fit every business size. We offer flexible pricing options that scale with your needs, whether you’re a startup or an established enterprise. Additionally, you can save 30% on annual subscriptions, giving your business more value at a lower cost.
What is the 510 area code, and where is it located?
The 510 area code serves the East Bay region of the San Francisco Bay Area in California. It covers the majority of Alameda County and portions of western Contra Costa County, representing a vital hub for technology, trade, and education.
What cities does the 510 area code cover?
The 510 area code covers several major cities and suburban hubs across the East Bay, including Oakland, Fremont, Hayward, and Berkeley.
What time zone is area code 510 in?
The 510 area code, serving the East Bay region of California, is in the Pacific Time Zone (PT).
Does the 510 area code get spam calls?
Like any area code, spam and robocalls do occur, but using a trusted business provider like Goodcall helps filter unwanted calls.
Which types of businesses benefit most from a local 510 number?
Local service providers, tech companies, restaurants, real estate agents, and startups benefit from a 510 number, as it boosts local trust and visibility.
How can I get a local 510 area code number for my business?
You can get a 510 number easily by signing up with Goodcall, choosing your plan, and selecting your preferred local number.
Can I forward calls from my 510 number elsewhere?
Yes. With Goodcall, you can forward calls to any phone, ensuring you never miss a customer inquiry.
How much does it cost to get a 510 area code number?
Goodcall plans are affordable and flexible, at $66 per month per agent annually.
Is the 510 area code toll-free?
No, 510 is not a toll-free area code. It’s a geographic code for California, designed to give businesses a trusted local identity. Toll-free numbers in the US typically begin with prefixes such as 800, 888, 877, or 855.