Best Internet Providers in South Boston, MA
Compare 9 internet providers serving 571,281 South Boston residents. Fiber, cable, 5G, and satellite plans with speeds up to 5 Gbps.
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Xfinity 1-844-963-0138Quick Answer: Best Internet in South Boston
Xfinity is the most widely available provider in South Boston, covering about 98% of the area with cable and fiber service up to 2 Gbps. Verizon Fios provides symmetrical fiber in roughly 71% of South Boston. T-Mobile 5G Home Internet covers about 74% at $40-50/month with no contracts. AT&T Internet offers fiber in approximately 58% of the area with speeds up to 5 Gbps.
Key Takeaways
- Best coverage: Xfinity cable/fiber covering ~98% of South Boston
- Best fiber: Verizon Fios with symmetrical speeds up to 2 Gbps
- Best wireless: T-Mobile 5G at $40-50/mo covering ~74%
- Best for renters: T-Mobile 5G with no contract
- 9 providers: Excellent competition for a Boston metro area
South Boston Internet Providers Comparison
Verified providers serving South Boston as of February 2026. Coverage percentages are FCC estimates.
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Call Now |
|---|---|---|---|---|---|---|
| Xfinity | Cable/Fiber | 2 Gbps | $35/mo | 1.2 TB | No | 1-844-963-0138 |
| Verizon Fios | Fiber | 2 Gbps | $50/mo | None | No | 1-855-387-1456 |
| Verizon 5G Home | 5G Fixed Wireless | 1 Gbps | $35/mo** | None | No | 1-855-387-1456 |
| T-Mobile 5G | 5G/Fixed Wireless | 245 Mbps | $40-50/mo | None | No | 1-844-275-9311 |
| AT&T Internet | Fiber/DSL | 5 Gbps | $55/mo | None | No | 1-855-850-5977 |
| Consolidated / Fidium | Fiber/DSL | 2 Gbps | $50/mo | None | No | Online only |
| Starlink | LEO Satellite | 250 Mbps | $120/mo | Soft cap | No | Online only |
| HughesNet | Satellite | 100 Mbps | $39.99/mo | Limited | 2-year | 1-855-543-5405 |
| Viasat | Satellite | 150 Mbps | $39.99/mo | Unlimited*** | No | 1-855-463-9333 |
**Verizon pricing with mobile bundle. ***Viasat Unleashed plan. Prices subject to change.
South Boston Internet Providers: Detailed Reviews
Xfinity Internet in South Boston
~98% CoverageXfinity dominates South Boston with roughly 98% coverage. Plans start at $35/month for 75 Mbps and scale to 2 Gbps. Xfinity includes WiFi hotspot access and offers TV and mobile bundles. Nearly every address in South Boston can get Xfinity service.
Xfinity South Boston Plans
- Connect: 75 Mbps - $35/mo
- Fast: 400 Mbps - $65/mo
- Superfast: 800 Mbps - $80/mo
- Gigabit: 1 Gbps - $90/mo
Choose Xfinity If:
- You want near-universal availability in South Boston
- You want to bundle internet with TV or mobile
Avoid If:
- You want no data caps (choose Verizon Fios or AT&T Fiber)
Verizon Fios in South Boston
~71% CoverageVerizon Fios offers symmetrical fiber speeds up to 2 Gbps in about 71% of South Boston. No data caps and no contracts make Fios the premium fiber choice. Fios is particularly strong in newer developments and well-wired buildings.
Choose Verizon Fios If:
- Fios is available in your building
- You need symmetrical upload speeds for remote work
Avoid If:
- Fios is not available in your building (try Xfinity or T-Mobile)
T-Mobile 5G Home Internet in South Boston
~74% CoverageT-Mobile 5G covers about 74% of South Boston at $40-50/month. No contracts, no data caps, and a 5-Year Price Guarantee make it ideal for renters in the many apartment buildings across the area. Typical speeds range from 100-245 Mbps.
Choose T-Mobile If:
- You rent and want easy, contract-free setup
- Your building has wait lists for wired providers
Avoid If:
- You need consistent speeds above 300 Mbps
AT&T Internet in South Boston
~58% CoverageAT&T covers about 58% of South Boston with fiber and DSL. Where fiber is available, speeds reach 5 Gbps symmetrical with no data caps. AT&T Fiber is the fastest residential option in the area where it is available.
Choose AT&T Fiber If:
- You want the absolute fastest speeds available (up to 5 Gbps)
Avoid If:
- Only DSL is available at your address
South Boston Internet Speeds and Prices
| Speed Tier | Xfinity | Verizon Fios | AT&T Fiber | T-Mobile 5G |
|---|---|---|---|---|
| 300 Mbps | $55/mo | $50/mo | $55/mo | $40-50/mo |
| 500 Mbps | $65/mo | $70/mo | $65/mo | - |
| 1 Gbps | $90/mo | $90/mo | $80/mo | - |
| 2 Gbps | $120/mo | $120/mo | $110/mo | - |
Prices subject to change. Check provider websites for current offers.
How Much Speed Do You Need?
- 1-2 people, light use: 100-300 Mbps
- 3-5 people, moderate use: 500 Mbps
- Work from home + gaming: 1 Gbps
- Content creators: 2+ Gbps fiber
Learn more: How much internet speed do I need?
Internet Service in South Boston: What You Need to Know
South Boston at a Glance
- Population: 571,281
- CBSA: 14460 (Boston-Cambridge-Newton)
- Fiber providers: Verizon Fios, AT&T, Xfinity, Consolidated/Fidium
- Cable providers: Xfinity
- 5G providers: T-Mobile, Verizon
South Boston Internet Market Overview
South Boston sits within the greater Boston metro, one of the most densely connected broadband markets in the northeast. Xfinity provides near-universal cable coverage while Verizon Fios and AT&T offer competing fiber services. The area's high concentration of young professionals and tech workers drives demand for fast, reliable internet.
Building-level availability varies significantly due to older construction in many neighborhoods. T-Mobile and Verizon 5G Home Internet provide useful wireless alternatives where building wiring is a challenge. Consolidated Communications (Fidium) offers an additional fiber choice in select areas.
Internet by South Boston Area
- Seaport/Innovation District: Strong fiber coverage from Verizon and Xfinity
- Broadway/West Broadway: Xfinity and Verizon Fios widely available
- Andrew Square: Multiple wired and 5G options
- City Point: Xfinity primary; Fios in many buildings
Frequently Asked Questions About South Boston Internet
What is the best internet provider in South Boston, MA?
Xfinity has the widest coverage at ~98%. Verizon Fios provides the best fiber experience. AT&T Fiber offers the fastest speeds up to 5 Gbps where available.
Is fiber internet available in South Boston?
Yes. Verizon Fios covers about 71%. AT&T provides fiber in ~58%. Xfinity and Consolidated/Fidium also have fiber in select areas.
How much does internet cost in South Boston?
Most residents pay $50-90/month. Xfinity starts at $35/month. Verizon Fios starts at $50/month. T-Mobile 5G costs $40-50/month.
Is Xfinity or Verizon Fios better in South Boston?
Fios is better for symmetrical speeds and no data caps. Xfinity has wider coverage and more plan tiers but has a 1.2 TB data cap.
Is 5G home internet available in South Boston?
Yes. T-Mobile covers about 74% at $40-50/month. Verizon 5G Home covers approximately 71%.
Does my building affect which providers I can get?
Yes. In South Boston, building wiring determines fiber availability. Newer buildings and those with Fios wiring have more options. Contact providers directly to verify building-level availability.
About the Author
Last Updated: February 7, 2026
Our team regularly reviews and updates this guide to ensure accuracy. Provider availability and pricing are verified quarterly using FCC data.
Editorial Disclosure
InternetProviders.ai is committed to providing accurate, unbiased information to help you choose the right internet service. Some of the providers listed on this page are partners who compensate us when you sign up through our links or phone numbers. This compensation may affect provider ordering but does not influence our ratings or recommendations. Our editorial team independently researches each provider. See our editorial guidelines and how we make money.