Internet provider · 3-STATE · Fiber
i3 Broadband
PE-backed central Illinois fiber overbuilder expanding into IA + MO. Real competition vs Xfinity + AT&T in Peoria + Champaign.
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RECOMMENDED
When available, take it.
- Parent company
- Boundary Stone Partners / Crosstimbers Capital (private)
- Founded
- 2010
- Headquarters
- Peoria, IL
- Service types
- Fiber
- States served
- 3 states: IL, IA, MO
- ZIPs covered
- ~55
- Residential subs
- ~65,000 (2026-Q1)
- Gateway fee
- Included
- Install fee
- Free
- Contract
- None
Plans & pricing
| Tier | Down | Up | Price | Data cap |
|---|---|---|---|---|
| 500 Mbps | 500 Mbps | 500 Mbps | $50/mo | Unlimited |
| 1 Gig | 1 Gbps | 1 Gbps | $70/mo | Unlimited |
| 2 Gig | 2 Gbps | 2 Gbps | $90/mo | Unlimited |
| 5 Gig | 5 Gbps | 5 Gbps | $150/mo | Unlimited |
Notes: PE-backed Illinois fiber overbuilder. Peoria, Champaign-Urbana, Springfield, Quad Cities. Iowa + Missouri expansion via 2024-2025 grants.
Cities + markets served
- Peoria IL
- Bloomington IL
- Champaign IL
- Urbana IL
- Springfield IL
- Quad Cities IA/IL
- St. Louis suburbs MO
Does i3 Broadband serve your address?
Use our ZIP-coverage tool to confirm availability — we cross-reference live FCC Form 477 data with the carrier's own footprint map.
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Last verified 2026-06-09. Records over 180 days old are auto-flagged for re-verification.