Business Internet in Fairfield, California - Best Business Providers (February 2026)
Best Business Internet Providers in Fairfield (February 2026)
Fairfield, 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.
| Provider | Business Speeds | Price Range | Uptime SLA | Static IP |
|---|---|---|---|---|
| Comcast Business | 50 Mbps - 10 Gbps | $70-$500/mo | 99.99% uptime on dedicated fiber | 1 included (up to 13) |
| AT&T Business Fiber | 100 Mbps - 5 Gbps | $40-$250/mo | 99.9% uptime SLA | Available ($15/mo add-on) |
| Verizon Business Fios | 300 Mbps - 2.3 Gbps | $75-$350/mo | 99.9% availability | Available ($20/mo) |
| T-Mobile Business Internet | 33-245 Mbps | $50-$70/mo | Best-effort (no formal SLA) | Not available |
| Verizon 5G Business Internet | 50 - 300 Mbps | $35-$90/mo | Best-effort | Not available |
| HughesNet Business | 25 - 100 Mbps | $65-$200/mo | Best-effort | Not available |
| Viasat Business | 30 - 150 Mbps | $100-$350/mo | Best-effort | Available on select plans |
| Starlink Business | 40 - 220 Mbps | $120-$500/mo | Priority bandwidth tier | Available ($10/mo add-on) |
Business Internet Provider Details for Fairfield
Here is what each business internet provider brings to the table in Fairfield, CA. Since coverage can vary neighborhood to neighborhood, always check your specific address.
Comcast Business in Fairfield
Approximately 91.9% of Fairfield businesses can access Comcast Business's cable, fiber network. Plans deliver 50 Mbps - 10 Gbps at prices from $70-$500/mo, bundled with 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
AT&T Business Fiber in Fairfield
AT&T Business Fiber serves about 76.9% of commercial addresses in Fairfield via its fiber, fixed wireless, dsl network. Business plans range from 100 Mbps - 5 Gbps, starting at $40-$250/mo, featuring 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 Fairfield
Businesses throughout Fairfield can tap into Verizon Business Fios's fiber infrastructure, which reaches 22.3% of the metro. Speeds range from 300 Mbps - 2.3 Gbps with pricing from $75-$350/mo. Key perks include 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 Fairfield
T-Mobile Business Internet brings 5g, fixed wireless, mobile internet to 60.8% of Fairfield, offering business speeds from 33-245 Mbps. Starting at $50-$70/mo per month, plans feature 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 Fairfield
In Fairfield, Verizon 5G Business Internet covers 22.3% of addresses with 5g service. Business plans span 50 - 300 Mbps from $35-$90/mo, including 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 Fairfield
With satellite coverage of 100.0% in Fairfield, HughesNet Business business plans deliver 25 - 100 Mbps. Pricing starts at $65-$200/mo and includes 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 Fairfield
Viasat Business brings satellite internet to 100.0% of Fairfield, offering business speeds from 30 - 150 Mbps. Starting at $100-$350/mo per month, plans feature 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 Fairfield
With a 100.0% coverage footprint across Fairfield, Starlink Business offers satellite business internet at speeds from 40 - 220 Mbps. Plans start at $120-$500/mo and come with 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 Fairfield
The commercial districts throughout Fairfield reflect a diverse economy where businesses of all sizes rely on dependable internet service to compete in today's digital marketplace.
The Fairfield business ecosystem in California thrives on connectivity, with companies in technology, professional services, and tourism needing enterprise-grade internet for everything from SaaS applications to real-time reservation management.
Professional services firms such as law offices, accounting practices, and consulting companies in Fairfield need symmetric upload speeds for secure document sharing, video depositions, and real-time collaboration with clients and partners.
With 3 wired broadband providers and 5 wireless or satellite backup options, Fairfield businesses can build highly redundant connectivity stacks. We recommend pairing a primary fiber connection with a secondary cable or 5G line to ensure continuity during outages.
Business Internet Features to Consider in Fairfield
For Fairfield businesses comparing providers, these features should carry as much weight as speed and price in your decision-making process:
- Service Level Agreements (SLAs): A strong SLA protects your Fairfield business with guaranteed uptime (typically 99.9-99.99%) and provides financial remedies when the provider fails to deliver. This is non-negotiable for companies running cloud-based operations.
- Static IP Addresses: Fairfield companies need static IPs for VPN access, server hosting, IP cameras, and PCI-compliant payment processing. Business plans typically include one, with blocks of 5+ available for enterprise needs.
- Dedicated vs. Shared Connections: For Fairfield businesses where internet slowdowns directly impact revenue, dedicated fiber connections provide guaranteed bandwidth isolated from other users. Shared connections work well for less bandwidth-sensitive operations.
- Symmetric Upload Speeds: The shift to remote work and cloud computing makes symmetric speeds essential for many Fairfield businesses. Fiber delivers equal upload/download, while cable business plans typically offer only 10-35 Mbps up.
- 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: Choose a Fairfield provider that makes bandwidth upgrades painless. The best business plans allow you to increase speeds within 24-48 hours as your company's needs evolve.
Business vs. Residential Internet in Fairfield
Before opting for a cheaper residential plan for your Fairfield business, consider these critical differences that directly impact uptime, security, legal compliance, and customer experience:
- Uptime guarantees: Residential plans offer no commitment to keeping your connection running. Business plans from providers like Comcast Business guarantee 99.9%+ uptime with financial accountability.
- Upload performance: Cloud backups that take hours on residential cable in Fairfield complete in minutes on business fiber, thanks to symmetric upload speeds that residential plans simply cannot match.
- 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: Using residential internet commercially in Fairfield likely violates your provider's terms of service. If discovered, your connection could be throttled or terminated without notice.
- Priority repair: Business plans get priority repairs with 4-8 hour on-site commitments. Residential service calls in Fairfield can take 1-3 business days to address.
Business Internet FAQs for Fairfield, CA
What is the fastest business internet available in Fairfield, CA?
Business internet speeds in Fairfield top out with Comcast Business, which offers plans up to 10 Gbps. Fiber connections deliver the symmetric speeds that businesses need for cloud computing, real-time collaboration, and voice-over-IP communications.
Do business internet providers in Fairfield offer SLAs?
Most Fairfield business internet providers offer SLAs. Comcast Business commits to a 99.99% uptime on dedicated fiber, and competitors offer similar guarantees. These agreements ensure accountability and provide service credits when providers fail to meet their uptime commitments.
Can I get a static IP address for my Fairfield business?
Static IP addresses are widely available from Fairfield's business internet providers. Comcast Business provides 1 included (up to 13). These fixed addresses are required for VPN access, server hosting, IP-based security systems, and compliance with payment processing standards.
How much does business internet cost in Fairfield?
Business internet costs in Fairfield vary from $40/mo for basic plans to $500+/mo for dedicated enterprise fiber. Most small businesses spend $50-100/mo for 100-500 Mbps service. Comcast Business offers plans starting at $70, scaling with your needs.
Is fiber internet available for businesses in Fairfield?
Fiber-optic internet is available for Fairfield businesses through 3 providers: AT&T Internet, Xfinity, Verizon Fios. As the gold standard for business connectivity, fiber delivers symmetric gigabit+ speeds with minimal latency. Coverage varies by address.
What upload speed do I need for my Fairfield business?
Most small businesses in Fairfield 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 Fairfield, visit our Fairfield Internet Providers page. Compare plans across California on our California Internet guide.
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 Fairfield business location.