South Carolina Broadband Data
South Carolina sits mid-pack on Form 477 scale (894,959 records, 37 providers). Dominant transport is satellite; 26.9% of filings advertise ≥100 Mbps max download.
Data updated June 2026
894,959 Form 477 records, middle third (569,696–1,310,136)
South Carolina at a glance
In South Carolina, 58.8% of records are satellite and 4.7% fiber across a mid-pack 894,959-record filing book (satellite-led).
- 4.7%
- fiber share (above the 4.3% national share)
- 26.9%
- filings ≥100 Mbps max (+2.4 pp vs 24.6% national)
- 58.8%
- satellite share - the dominant category
- widest footprint - 181,908 records
Shares are the percentage of this state's Form 477 deployment records using each technology category. Speed tiers are max-advertised download buckets, not measured retail speeds.
South Carolina broadband livability score
A single 0-100 verdict combining South Carolina's standing on 3 FCC Form 477-derived measures against every other tracked state and territory. A missing measure would drop out and redistribute its weight rather than deflate the score, not exercised on this build, since South Carolina reports all three.
60/100
Percentile-weighted across 3 of 3 measures
- Average download speed
- C 181 Mbps
73th percentile of 56 tracked
- Fiber availability
- C 4.7 %
61th percentile of 56 tracked
- Provider competition
- F 37.0 providers
34th percentile of 56 tracked
South Carolina's ≥100 Mbps share tracks near the national Form 477 mix
Mid-pack volume: 26.9% of South Carolina filings advertise ≥100 Mbps max, against 24.6% nationally (+2.4 pp).
- SC ≥100 Mbps share
- 26.9%
- All-state ≥100 Mbps share
- 24.6%
- SC vs national
- +2.4 pp
- SC avg max advertised
- 181 Mbps
Derivation: SC state_speed_tiers row vs SUM(state_speed_tiers); maxaddown buckets, not address-level availability or retail speed tests.
South Carolina vs all states by provider count
Where this state's Form 477 filer count sits among every state and territory on PlainBroadband
37 38th of 56 higher than 18 of 56 states
States, banded by distinct broadband providers filing Form 477
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FCC Form 477 fixed broadband deployment · June 2020
Technology Breakdown
South Carolina broadband technologies by reported deployment records
FCC Form 477 fixed broadband deployment data (June 2020 status)
Full technology detail
| # | Technology | Records |
|---|---|---|
| 1 | Satellite | 526,042 |
| 2 | Cable | 118,445 |
| 3 | ADSL2+ | 86,143 |
| 4 | VDSL | 55,881 |
| 5 | DSL | 54,714 |
| 6 | Fiber | 42,097 |
| 7 | Terrestrial Fixed Wireless | 11,563 |
| 8 | Symmetric DSL | 74 |
Who Reports the Most in South Carolina
The providers carrying the largest share of South Carolina's Form 477 deployment records. ViaSat, Inc. leads with 181,908 records.
Top providers in South Carolina by reported deployment records
FCC Form 477 fixed broadband deployment data (June 2020 status)
Full Provider List - South Carolina
Mid-pack peers near South Carolina
Mid-pack peers for South Carolina: nearest states by filer count and by total deployment records (provider floor ≥10, record floor ≥10,000).
Similar provider count
Nearest states by FCC filers reporting (37 here).
Similar deployment-record total
Nearest states by summed Form 477 records (894,959 here), excluding the filer-count set.
Disclaimer: Data from FCC Form 477. For informational purposes only. Coverage percentages are based on provider filings and may overstate actual availability at specific addresses. Speed figures represent maximum advertised speeds, not guaranteed performance. Always verify availability directly with providers.
Frequently Asked Questions
- Where does South Carolina sit among states by Form 477 filing volume?
- South Carolina has 894,959 records from 37 providers, middle third (569,696–1,310,136). Mid-pack states often pair regional cable with statewide satellite filings.
- How does South Carolina's ≥100 Mbps advertised share compare nationally?
- 26.9% of South Carolina's Form 477 filings advertise ≥100 Mbps max download, versus 24.6% nationally (+2.4 pp). Tiers come from state_speed_tiers maxaddown buckets, not retail speed tests.
- What broadband technologies dominate South Carolina's filings?
- satellite-led mix: fiber 4.7%, cable 13.2%, DSL 22.0%, fixed wireless 1.3%, satellite 58.8% of Form 477 records.
Read our methodology - how this data is sourced, computed, and verified.
Read with this state
- Massachusetts (36 filers)
- North Dakota (34 filers)
- Maine (32 filers)
- Wyoming (31 filers)
- Mix reading guide →
What to do with South Carolina's footprint
Provider count and record volume describe who files here, not what any one address can get.
- ViaSat, Inc. leads South Carolina's filings with 181,908 records. Check its footprint across every other state it serves. ViaSat, Inc. profile
- Compare against Massachusetts, a similarly-sized state by provider count. Compare to Massachusetts
- Find your own speed tier and what technology mix typically delivers it. Speed tier finder
Figures are FCC Form 477 fixed-deployment data as of June 2020, the final Form 477 release, self-reported by census block. For current, address-level availability, use the FCC National Broadband Map.
State-level figures reflect reported provider footprint, not a real-time or address-level availability check.