Top California VoIP Providers

California organizations demand flexible communications that keep pace with fast-moving markets from Silicon Valley to Southern California. Public Telephone Company provides enterprise-grade cloud PBX, SIP trunking, and unified communications designed to streamline operations without costly hardware. With round-the-clock technical support, secure STIR/SHAKEN compliance, and effortless scalability for remote and hybrid teams, our phone systems empower modern businesses to connect seamlessly across the state.

Business professionals utilizing cloud VoIP phones in an office

Our Hosted VoIP Services

Deliver crystal-clear voice communication and robust collaboration tools across your entire workforce using reliable cloud infrastructure.

Hosted Cloud PBX

Deploy a complete unified telecommunications system in the cloud using existing internet connections. Access advanced calling features, wireless extensions, and high-quality hardware that scales effortlessly with your business without demanding expensive upfront investments.

Unified Communications

Integrate voice, messaging, and digital collaboration into one cohesive cloud platform. Streamline multichannel interactions across office departments and remote personnel, boosting productivity while maintaining consistent telecommunication security and performance standards across every user endpoint.

SIP Trunking Services

Connect existing on-premises PBX hardware directly to flexible cloud telecommunications. Maximize bandwidth efficiency, reduce recurring line expenses, and maintain reliable multichannel connectivity with robust call routing and comprehensive regulatory compliance safeguards.

Cloud Phone Solutions

Scalable Cloud Communications Built for Growing Organizations

California companies require dependable phone infrastructure that adapts effortlessly whether managing distributed tech teams or high-volume service centers. Public Telephone Company delivers hosted VoIP systems over existing internet connections, eliminating costly hardware lock-in. Benefit from over 35 enterprise calling features, seamless wireless extensions, and compliant call routing that keeps your workforce connected, responsive, and ready for long-term operational expansion.

Technician configuring cloud VoIP telephone hardware
Proven Telecommunications Performance

Client Success Stories

Explore how organizations nationwide leverage our scalable cloud PBX solutions to enhance operational agility and streamline customer communications.

"Having AI conversation intelligence natively integrated into our existing phone system provides heightened security, ease of use, and connectivity. PUBLIC TELEPHONE COMPANY℠ services have truly transformed our communication infrastructure, making it more robust and reliable."

Insurance Hub
The Cloud Telecom Advantage

Why Choose Public Telephone Company?

Discover the distinct advantages of partnering with our experienced telecommunications team.

Zero Upfront Cost

Avoid heavy equipment investments with fully cloud-hosted systems running on existing internet setups.

Round-The-Clock Support

California businesses maintain peak uptime across all shifts with our dedicated 24/7 technical support team.

Effortless Scalability

Expand seamlessly from single local sites to distributed operations supporting up to 100,000 users.

Regulatory Compliance

Meet California and federal communication standards with verified FCC filings and STIR/SHAKEN robocall mitigation.

Meet Our Leadership Team

Guiding reliable telecommunications solutions for growing organizations across the country.

Portrait of Nathan Kirk, Chairman of Public Telephone Company

Nathan Kirk

Chairman

Nathan Kirk serves as Chairman of Public Telephone Company, a telecommunications and interconnected VoIP provider headquartered in Oviedo, Florida. With the company's roots dating back to 1999, Nathan has helped guide its evolution into a trusted provider of cloud-hosted phone systems, unified communications, PBX, and SIP trunking solutions for businesses across the globe. In his leadership role, he focuses on strategic direction and long-term growth, ensuring the company continues to deliver affordable, scalable telecom solutions without compromising on quality or compliance. Nathan is committed to maintaining Public Telephone Company's reputation for reliability, innovation, and world-class customer service, supporting businesses ranging from call centers to healthcare organizations with communication systems built to grow alongside them.

Portrait of Darrell Lopez, Chief Executive and Officer-Director

Darrell Lopez

Chief Executive / Registered Agent / Officer-Director

Darrell Lopez holds the roles of Chief Executive, Registered Agent, and Officer-Director at Public Telephone Company, a Florida-based provider of cloud-hosted business communications. Overseeing day-to-day executive operations, Darrell plays a central role in shaping the company's strategic and regulatory direction, including its compliance filings with the FCC and its ongoing commitment to STIR/SHAKEN implementation for secure, trustworthy VoIP services. His leadership supports the company's mission of providing the best value in business telecom worldwide, with a focus on scalable systems that serve everyone from small businesses to large enterprises. Darrell is dedicated to ensuring customers receive dependable, feature-rich communication tools backed by responsive 24/7 support, reinforcing Public Telephone Company's standing as a reliable partner for organizations across diverse industries.

Portrait of Nicholas Lopez, President of Public Telephone Company

Nicholas Lopez

President / Officer-Director

Nicholas Lopez serves as President and Officer-Director of Public Telephone Company, a privately held telecommunications provider offering cloud-hosted VoIP, PBX, and unified communications solutions to businesses nationwide and beyond. In his leadership capacity, Nicholas oversees the company's operational execution, ensuring clients receive the advanced features and quality of service expected from a world-class phone system, all built on flexible, scalable infrastructure. He is deeply involved in the company's continued growth, helping deliver custom integrations, equipment, and software solutions tailored to businesses of every size, from startups to organizations with over 100,000 users. Nicholas is committed to customer satisfaction, prioritizing simple installation, dependable support, and long-term value for every client Public Telephone Company serves.

Frequently Asked Questions

What equipment is required to switch to hosted VoIP?

Switching to our hosted VoIP service requires no expensive on-premises PBX equipment. The platform operates directly over your existing high-speed internet connection. We provide on-site instruments and support wireless extensions for simplified deployment. Desktop phones, mobile extensions, and computer software interfaces integrate seamlessly, allowing your business to modernize communications rapidly without investing in proprietary server hardware or undergoing disruptive wiring overhauls.

How does cloud PBX support multi-location and remote teams?

Can the phone system scale as our organization grows?

What security and robocall mitigation protections are in place?

Is technical support available outside standard business hours?

Can our existing CRM and business software integrate with VoIP?

What happens if our local internet connection experiences an outage?

How does SIP trunking work with existing on-premises PBX hardware?

Have More Questions About Our Service?

Speak with our telecommunications specialists to find the right phone solution for your business.

Verified Telecom Credentials

Awards and Recognition

FCC registration credential logo

FCC FRN 0031316094

Official Federal Communications Commission registration for telecommunications providers.

FCC Form 499 identification badge

Form 499 ID 837378

Official regulatory reporting identification with the FCC.

Robocall mitigation compliance badge

Robocall Mitigation Database RMD0005408

Completed federal STIR/SHAKEN robocall mitigation compliance filing.

State corporate registration badge

Florida Profit Corporation

Active state corporate registration document P19000084855.

Ready to Modernize Your Business Communications?

Reach out to our telecommunications team today for a tailored cloud PBX consultation and transparent service overview.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 877-314-4080. You can also send us a quick email at support@ptcoa.com.