Connect with the East Bay's national security and technology market with a 925 virtual number — Lawrence Livermore National Laboratory's contractor community, the Tri-Valley's corporate corridor, and John Muir Health's East Bay network. Activate in seconds.
Area code 925 covers Contra Costa County in the East Bay — Walnut Creek, Concord, Antioch, Pittsburg, Brentwood, Livermore, Pleasanton, and Dublin. Lawrence Livermore National Laboratory in Livermore is one of the United States' two primary nuclear weapons design laboratories and a major centre for national security science, stockpile stewardship, and energy research. Chevron's Richmond refinery — one of the largest on the West Coast — sits at the county's edge. The Tri-Valley, anchored by Livermore, Pleasanton, and Dublin, has become a significant commercial real estate and corporate back-office market, with Kaiser Permanente's regional office operations and a growing technology sector drawing workers from San Francisco and Oakland.
From Los Angeles to Sacramento 925 covers the Pacific Coast region of California.
Lawrence Livermore National Laboratory is one of the two US nuclear weapons design laboratories and a major national security and energy research centre. Defence contractors, national security technology firms, and research services vendors need a local 925 number to engage LLNL's extensive classified and unclassified procurement community.
Chevron's Richmond refinery is one of the largest refineries on the West Coast, processing millions of barrels annually. Industrial equipment, energy services, and safety technology companies benefit from a local East Bay number when engaging Chevron's Bay Area refinery operations.
The Tri-Valley corridor of Pleasanton, Dublin, and Livermore has attracted major technology, healthcare, and corporate back-office operations as employees seek East Bay suburban quality of life. Technology services, commercial real estate, and professional services firms benefit from a 925 number.
John Muir Health operates the primary hospital network in Contra Costa County, with major campuses in Walnut Creek and Concord. Healthcare technology and clinical services vendors need a local 925 number to engage John Muir's procurement operations across the East Bay.
Every 925 number ships with fourteen professional tools for the East Bay's national security-and-healthcare economy — ITAR-compatible compliance recording for Lawrence Livermore National Laboratory's contractor requirements, IVR for John Muir Health's clinical community, and analytics for the Tri-Valley's technology and corporate back-office market.
Redirect every call to any device — mobile, desk phone, or laptop. Set rules by time, caller, or team.
Four steps. Five minutes. No technical setup, no hardware required.
Browse 925 numbers by Walnut Creek, Concord, Livermore, Pleasanton, or Dublin prefix — or port your existing Contra Costa County number for free.
Select a plan for your East Bay team — Lawrence Livermore vendor, John Muir Health partner, or Tri-Valley technology firm, every feature included.
Configure your 925 line with Pacific Time routing and compliance recording for LLNL's national security schedule and John Muir Health's clinical operations calendar.
Take 925 calls anywhere — LLNL's contractor community, Chevron's East Bay network, and the Tri-Valley's technology and healthcare corridor all see a trusted local Contra Costa number.
Pick a region, then select any state to see every active area code with city coverage, time zones, and a number-picker shortcut.
Everything you need to know before getting a virtual 925 phone number. Our team is one click away for anything else.
Instantly — under 60 seconds. Pick your 925 number, choose a plan, and your number is live and receiving calls with no hardware or carrier delays.
Absolutely. TKOS 925 numbers are 100% cloud-based. There's no desk phone, PBX hardware, or California address required — manage everything from your browser or mobile app from anywhere.
Yes. TKOS supports simultaneous ring, call queuing, and user extensions on every 925 number — so your whole team can share one number while each member handles calls from their own device.
Yes. Every TKOS 925 number supports two-way SMS and MMS. Send and receive texts from the web dashboard, mobile app, or desktop — using the same 925 number your customers already know.
Yes — porting your existing 925 number to TKOS is completely free. Most California port-ins complete in 5–10 business days with zero downtime, and your 925 calls keep routing normally throughout the transition.
Try the full UCaaS platform — business phone, team chat, video and AI contact center — free. The platform you pilot today carries your millionth minute. No migration. No replatforming.