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Business Internet in Antioch, California - Best Business Providers (February 2026)

Top Pick for Antioch Businesses: We recommend Comcast Business as the leading business internet option in Antioch, thanks to Xfinity provides the dominant cable footprint while AT&T Fiber expands aggressively, giving most Antioch businesses two reliable wired options. With 8 providers serving the Antioch metro area (population 115,291), local businesses have solid options for reliable, high-speed commercial connectivity.

Best Business Internet Providers in Antioch (February 2026)

Antioch, California has 8 internet providers offering business-class service. The table below compares speeds, pricing, uptime guarantees, and static IP availability to help you choose the right plan for your company.

ProviderBusiness SpeedsPrice RangeUptime SLAStatic IP
Comcast Business50 Mbps - 10 Gbps$70-$500/mo99.99% uptime on dedicated fiber1 included (up to 13)
AT&T Business Fiber100 Mbps - 5 Gbps$40-$250/mo99.9% uptime SLAAvailable ($15/mo add-on)
Verizon Business Fios300 Mbps - 2.3 Gbps$75-$350/mo99.9% availabilityAvailable ($20/mo)
T-Mobile Business Internet33-245 Mbps$50-$70/moBest-effort (no formal SLA)Not available
Verizon 5G Business Internet50 - 300 Mbps$35-$90/moBest-effortNot available
HughesNet Business25 - 100 Mbps$65-$200/moBest-effortNot available
Viasat Business30 - 150 Mbps$100-$350/moBest-effortAvailable on select plans
Starlink Business40 - 220 Mbps$120-$500/moPriority bandwidth tierAvailable ($10/mo add-on)

Business Internet Provider Details for Antioch

Below is a closer look at each provider's business plans available in Antioch, CA. Availability varies by address, so we recommend checking coverage at your specific location.

Comcast Business in Antioch

Comcast Business delivers cable, fiber service to approximately 97.7% of Antioch addresses. Business customers can choose from plans ranging from 50 Mbps - 10 Gbps with pricing starting at $70-$500/mo. SecurityEdge cyber protection, 4G LTE backup, WiFi Pro hotspots.

  • Business Speeds: 50 Mbps - 10 Gbps
  • Monthly Cost: $70-$500/mo
  • Uptime SLA: 99.99% uptime on dedicated fiber
  • Static IP: 1 included (up to 13)
  • Contract: 1-3 year terms

Call Xfinity Business Sales: 1-844-963-0138

View Comcast Business Plans

AT&T Business Fiber in Antioch

AT&T Business Fiber delivers fiber, fixed wireless, dsl service to approximately 89.3% of Antioch addresses. Business customers can choose from plans ranging from 100 Mbps - 5 Gbps with pricing starting at $40-$250/mo. Dedicated account manager, 24/7 U.S.-based support, bundled VoIP.

  • Business Speeds: 100 Mbps - 5 Gbps
  • Monthly Cost: $40-$250/mo
  • Uptime SLA: 99.9% uptime SLA
  • Static IP: Available ($15/mo add-on)
  • Contract: 1-3 year terms

Call AT&T Internet Business Sales: 1-855-850-5977

View AT&T Business Fiber Plans

Verizon Business Fios in Antioch

Verizon Business Fios delivers fiber service to approximately 36.8% of Antioch addresses. Business customers can choose from plans ranging from 300 Mbps - 2.3 Gbps with pricing starting at $75-$350/mo. One Fiber dedicated options, Verizon Business Digital Voice.

  • Business Speeds: 300 Mbps - 2.3 Gbps
  • Monthly Cost: $75-$350/mo
  • Uptime SLA: 99.9% availability
  • Static IP: Available ($20/mo)
  • Contract: 1-2 year terms

Call Verizon Fios Business Sales: 1-855-387-1456

View Verizon Business Fios Plans

T-Mobile Business Internet in Antioch

T-Mobile Business Internet delivers 5g, fixed wireless, mobile service to approximately 65.4% of Antioch addresses. Business customers can choose from plans ranging from 33-245 Mbps with pricing starting at $50-$70/mo. No installation needed, 5G gateway included, quick setup.

  • Business Speeds: 33-245 Mbps
  • Monthly Cost: $50-$70/mo
  • Uptime SLA: Best-effort (no formal SLA)
  • Static IP: Not available
  • Contract: No contract

Call T-Mobile Business Sales: 1-844-275-9311

View T-Mobile Business Internet Plans

Verizon 5G Business Internet in Antioch

Verizon 5G Business Internet delivers 5g service to approximately 36.8% of Antioch addresses. Business customers can choose from plans ranging from 50 - 300 Mbps with pricing starting at $35-$90/mo. 5G Ultra Wideband, plug-and-play gateway, no installation wait.

  • Business Speeds: 50 - 300 Mbps
  • Monthly Cost: $35-$90/mo
  • Uptime SLA: Best-effort
  • Static IP: Not available
  • Contract: No contract

HughesNet Business in Antioch

HughesNet Business delivers satellite service to approximately 100.0% of Antioch addresses. Business customers can choose from plans ranging from 25 - 100 Mbps with pricing starting at $65-$200/mo. Built-in Wi-Fi, satellite coverage everywhere, bonus off-peak data.

  • Business Speeds: 25 - 100 Mbps
  • Monthly Cost: $65-$200/mo
  • Uptime SLA: Best-effort
  • Static IP: Not available
  • Contract: 2 year commitment

Call HughesNet Business Sales: 1-855-543-5405

Viasat Business in Antioch

Viasat Business delivers satellite service to approximately 100.0% of Antioch addresses. Business customers can choose from plans ranging from 30 - 150 Mbps with pricing starting at $100-$350/mo. Viasat Shield security, priority data plans, VoIP ready.

  • Business Speeds: 30 - 150 Mbps
  • Monthly Cost: $100-$350/mo
  • Uptime SLA: Best-effort
  • Static IP: Available on select plans
  • Contract: 2 year commitment

Call Viasat Business Sales: 1-855-463-9333

Starlink Business in Antioch

Starlink Business delivers satellite service to approximately 100.0% of Antioch addresses. Business customers can choose from plans ranging from 40 - 220 Mbps with pricing starting at $120-$500/mo. Global coverage, mobile mounting, priority support queue.

  • Business Speeds: 40 - 220 Mbps
  • Monthly Cost: $120-$500/mo
  • Uptime SLA: Priority bandwidth tier
  • Static IP: Available ($10/mo add-on)
  • Contract: No contract (hardware cost $2,500)

Local Business Internet Landscape in Antioch

Antioch's commercial areas include the Rivertown district along the San Joaquin River, Somersville Road commercial corridor, Contra Loma business park, and the Highway 4 bypass retail zone. Major employers driving local broadband demand include Kaiser Permanente Antioch Medical Center, Sutter Delta Medical Center, Antioch Unified School District, and logistics/distribution firms.

As one of the fastest-growing East Bay cities, Antioch is transitioning from a bedroom community to a business destination with the BART extension reaching the city. New transit-oriented development near the future BART station and the expanding logistics sector along Highway 4 create growing demand for commercial broadband.

Growing logistics and e-commerce distribution centers near the Highway 4 corridor need dedicated internet with guaranteed uptime for warehouse management systems and same-day delivery coordination across the Bay Area.

With 3 wired broadband providers and 5 wireless/satellite backup options, Antioch businesses can build redundant connectivity stacks. We recommend pairing a primary fiber or cable connection with a 5G or satellite backup to ensure continuity during outages.

Business Internet Features to Consider in Antioch

Choosing the right business internet plan goes beyond raw speed. Here are the critical features Antioch businesses should evaluate when comparing providers:

  • Service Level Agreements (SLAs): Enterprise-grade SLAs guarantee 99.9-99.99% uptime with financial credits if the provider misses targets. For Antioch businesses relying on cloud applications and VoIP, an SLA can mean the difference between a minor inconvenience and lost revenue.
  • Static IP Addresses: Essential for hosting in-house servers, VPN tunnels, security camera systems, and merchant payment processing. Most Antioch business plans include at least one static IP, with blocks of 5-13 available for larger operations.
  • Dedicated vs. Shared Connections: Shared connections (cable, standard fiber) offer great value for small businesses, while dedicated fiber provides guaranteed bandwidth not affected by neighborhood usage peaks. Businesses in the Rivertown district along the San Joaquin River may want dedicated fiber for mission-critical operations.
  • Symmetric Upload Speeds: Fiber plans deliver equal upload and download speeds. This matters for Antioch companies running video conferences, uploading large files to cloud storage, or operating SaaS platforms. Cable business plans typically offer upload speeds 10-20% of download speeds.
  • Priority Support: Business accounts include dedicated support lines with shorter wait times and on-site repair commitments, often within 4-8 hours compared to residential windows of 24-72 hours.
  • Scalability: Growing Antioch businesses should choose providers that offer easy bandwidth upgrades without contract renegotiation. Fiber providers generally allow speed-tier changes within 24-48 hours.

Business vs. Residential Internet in Antioch

Many Antioch small business owners wonder whether residential internet can handle their commercial needs. While a home-grade plan might technically work for a solo consultant, businesses with employees, customers, or compliance requirements should consider dedicated business service for these reasons:

  • Uptime guarantees: Residential plans offer no SLA. Business plans from providers like Comcast Business include contractual uptime commitments with financial remedies for downtime.
  • Upload performance: Residential cable plans in Antioch typically cap uploads at 10-35 Mbps. Business fiber plans deliver symmetric speeds up to 5-10 Gbps for cloud backups, VoIP, and video conferencing.
  • Static IP addresses: Required for VPN access, hosting business email servers, and PCI-compliant payment processing. Residential plans use dynamic IPs that change periodically.
  • Terms of service: Many residential ISP agreements prohibit commercial use, running servers, or exceeding certain bandwidth thresholds. Violating these terms could result in service termination.
  • Priority repair: Business outages in Antioch are typically addressed within 4-8 hours, compared to 1-3 business days for residential service calls.

Business Internet FAQs for Antioch, CA

What is the fastest business internet available in Antioch, CA?

The fastest business internet in Antioch comes from Comcast Business, offering speeds up to 10 Gbps. Fiber-based plans deliver symmetric upload and download speeds, which is essential for video conferencing, cloud backups, and VoIP phone systems used by Antioch businesses.

Do business internet providers in Antioch offer SLAs?

Yes, most major providers in Antioch offer Service Level Agreements for business customers. Comcast Business provides a 99.99% uptime on dedicated fiber. SLAs typically guarantee minimum uptime percentages and provide service credits if the provider fails to meet the agreed-upon performance thresholds.

Can I get a static IP address for my Antioch business?

Static IP addresses are available from most wired business internet providers in Antioch. Comcast Business offers static IP service (1 included (up to 13)). Static IPs are essential for hosting business email servers, running VPN connections, operating security cameras, and maintaining consistent remote desktop access.

How much does business internet cost in Antioch?

Business internet in Antioch ranges from approximately $40 to $500 per month depending on the provider and speed tier. Basic plans suitable for small offices start around $50-70/mo for 100-300 Mbps, while enterprise-grade dedicated fiber for larger companies can exceed $300/mo. Comcast Business pricing starts at $70.

Is fiber internet available for businesses in Antioch?

Fiber internet is available in Antioch from 3 providers: AT&T Internet, Xfinity, Verizon Fios. Fiber offers the fastest and most reliable connection type for businesses, with symmetric upload/download speeds and lower latency compared to cable or DSL. Coverage varies by address, so check availability at your specific business location.

What upload speed do I need for my Antioch business?

Most small businesses in Antioch need at least 25 Mbps upload for basic cloud operations, while companies running video conferencing, VoIP, or cloud-hosted applications should target 100+ Mbps upload. Businesses with 10+ employees doing simultaneous video calls or uploading large files to cloud storage benefit from symmetric fiber plans offering 500 Mbps to 1 Gbps upload speeds.

For more internet options in Antioch, visit our Antioch Internet Providers page. Compare plans across California on our California Internet guide.

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Disclosure: Some links on this page are affiliate links, meaning InternetProviders.ai may earn a commission if you sign up through our links. This does not affect our editorial ratings or recommendations. All pricing, speeds, and availability information is current as of February 2026 and may vary by address. Call the provider directly to confirm availability at your Antioch business location.

About the Author: Pablo Mendoza is a broadband industry analyst at InternetProviders.ai specializing in business connectivity solutions. His research covers enterprise internet options across California and nationwide, helping companies find the right balance of speed, reliability, and value.