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Did you know that East Bay customers are far more likely to pick up when a local number calls? Local numbers get up to 4 times more responses than toll-free numbers, and significantly more than out-of-area ones. A 925 area code helps establish local trust and signals that your business is part of the community.
Covering Contra Costa County and parts of Alameda County, the 925 area code has served the East Bay since 1998, when it split from the 510 area code to keep up with growing demand. It includes bustling cities like Concord, Walnut Creek, Livermore, Antioch, and Pleasanton—all operating on Pacific Time.
Having a 925 number gives your business an authentic East Bay presence. Pair that number with an AI answering service, and you’ll never miss a call from potential customers, no matter what time they reach out.
The 925 area code spans approximately 25 cities in California’s East Bay region, covering all of Contra Costa County and the eastern portions of Alameda County. It serves a population of about 2.8 million people and remains the sole area code for this region, with no overlays.
Originally introduced in 1998 due to the rapid growth of the tech economy, 925 remains one of the few major area codes in California not yet split or overlaid. The region it serves includes a blend of suburban comfort, business innovation, and natural beauty.
The 925 area code operates on Pacific Time Zone (PT)—Pacific Standard Time (UTC-8) from November to March and Pacific Daylight Time (UTC-7) from March to November.
Daylight saving time transitions can affect business communications if not accounted for. This is especially important when scheduling meetings or handling clients on the East Coast or in Europe, where DST dates may differ.
Getting a 925 number gives your business more than just digits—it builds trust with local customers and shows you’re part of their community.
In a diverse and fast-paced region like California’s East Bay, businesses can't afford to miss calls. With industries like real estate, retail, and tech moving quickly, 24/7 communication is a must.
An AI answering service helps capture every opportunity—day or night—while also speaking your customers’ language (literally and figuratively).
Goodcall turns your 925 number into a powerful customer service tool. The AI listens to what callers say in natural language—no clunky menus or robotic replies—and provides accurate answers or routes the call to the right place. Whether someone is calling to book an appointment, ask a question, or report an issue, the system knows how to handle it.
It also works smoothly with your existing tools. You can sync it with your calendar to schedule appointments or connect it with your CRM to keep track of customer details. The platform supports both English and Spanish, making it a great fit for the East Bay’s diverse communities. With 99.9% uptime, secure data handling, and automatic time zone detection, your business stays available, responsive, and professional—day or night.
Getting started with Goodcall is quick, easy, and completely hassle-free—no hardware installations or complex tech setup required. In just a few steps, you can secure a 925 number and activate AI-powered call handling for your business.
Goodcall offers flexible monthly pricing that scales with your business needs. All plans include bilingual AI call handling, 24/7 coverage, CRM integrations, and detailed call analytics. There are no hidden fees and no long-term contracts—just reliable, professional service designed for growing East Bay businesses.
A 925 area code shows customers you’re local, and combining it with AI call handling ensures you never miss a chance to connect.
Whether you’re a real estate firm in Walnut Creek, a tech startup in Dublin, or a bakery in Livermore, a local number makes it easier to build trust and convert leads.
Try Goodcall today—get your 925 number and see how AI can transform your East Bay customer experience.
Is 925 a cell or landline area code?
The 925 area code supports both landline and mobile numbers, with approximately 64.4% of its prefixes assigned to landlines and 35.6% designated for wireless services. Whether your customer is calling from a business office in Walnut Creek or texting from a mobile in Livermore, the area code remains a consistent, trusted regional identifier. For businesses, the distinction doesn’t affect perception—what matters most is that 925 signals local presence and familiarity to East Bay residents.
Can I keep my 925 number if I move out of California?
Yes, number portability allows you to retain your 925 number no matter where your business moves. This is especially helpful for companies that want to maintain their East Bay identity while expanding operations across California or even nationally. Many small businesses in Pleasanton and Concord continue using their original 925 numbers even after relocating, because long-time customers still recognize and trust those digits. It’s a great way to preserve brand continuity and community connections.
Does the 925 area code have spam-call issues?
Like all area codes, 925 numbers can be spoofed by scammers, but having a genuine local number greatly reduces the chance of being mistaken for spam. Local customers are much more likely to answer calls from familiar area codes, especially in tight-knit communities like Danville and Martinez, where local identity matters. Using a verified 925 number through a trusted provider like Goodcall ensures that your business appears credible and accessible, increasing your chances of meaningful engagement.
How many 925 numbers are still available for businesses?
The 925 area code currently includes 599 active prefixes, ranging from 925-200-XXXX to 925-999-XXXX, meaning there are still thousands of available number combinations for new and growing businesses. Whether you're a startup in Dublin looking for a memorable vanity number or a service provider in Antioch aiming to expand, there's plenty of availability to secure a local identity that resonates with customers throughout the East Bay.
What time zone does the 925 area code fall under?
Businesses operating with a 925 number follow the Pacific Time Zone—specifically Pacific Standard Time (UTC -08:00) in the winter months and Pacific Daylight Time (UTC -07:00) during daylight saving. This matches the rest of California, including neighboring areas like San Francisco and Oakland. AI phone systems like Goodcall automatically adjust for these seasonal changes, helping East Bay businesses avoid scheduling mishaps and ensuring customers receive timely responses year-round.
Can I get a 925 number even if my business is fully remote?
Absolutely. Even if you're operating from outside California or running a hybrid or remote team, virtual phone systems make it easy to claim a 925 number. This gives your business a strong foothold in the East Bay region, where customers in cities like Concord and Pleasanton are more likely to trust and respond to local area codes. It’s a practical, affordable way to create a localized brand presence and stay competitive in regional markets without a physical office.
The 925 area code spans approximately 25 cities in California’s East Bay region, covering all of Contra Costa County and the eastern portions of Alameda County. It serves a population of about 2.8 million people and remains the sole area code for this region, with no overlays.
Originally introduced in 1998 due to the rapid growth of the tech economy, 925 remains one of the few major area codes in California not yet split or overlaid. The region it serves includes a blend of suburban comfort, business innovation, and natural beauty.
The 925 area code operates on Pacific Time Zone (PT)—Pacific Standard Time (UTC-8) from November to March and Pacific Daylight Time (UTC-7) from March to November.
Daylight saving time transitions can affect business communications if not accounted for. This is especially important when scheduling meetings or handling clients on the East Coast or in Europe, where DST dates may differ.