Symmetric speeds up to 5 GIG (5,000 Mbps). No data caps. No annual contract. Plans from $35/mo. Check if AT&T Fiber is available at your Charleston address — from Rainbow Row and Fort Sumter to Magnolia Plantation and across Charleston County.
AT&T Fiber is available in Charleston, South Carolina (Charleston County, ZIP 29401). Plans start at $35/mo for 300 Mbps with speeds up to 5 GIG (5,000 Mbps). AT&T covers 37% of South Carolina addresses and 30M+ locations nationwide. All plans include unlimited data, no annual contract, and a free Wi-Fi gateway. Fiber latency is <5 ms with 99% reliability. Call (866) 667-5219 to check your address.
From Rainbow Row to Fort Sumter, Charleston runs on connection. AT&T Fiber delivers the speed, reliability, and unlimited data that 150,000 residents deserve — with 37% of South Carolina covered and 30M+ locations nationwide.
AT&T Fiber has zero data caps on every plan from 300 Mbps to 5,000 Mbps. Stream Spoleto Festival and harbor events in 4K, game, and download as much as you want. No overage fees, ever.
AT&T Fiber gives you equal upload and download speed. A 5 GIG plan means 5,000 Mbps both ways. Critical for video calls, cloud backups, and working from home in Charleston (ZIP 29401).
AT&T Fiber's top plan delivers 5,000 Mbps at $95/mo. For large Charleston households, smart homes, and heavy bandwidth users, AT&T offers headroom cable simply can't provide.
AT&T Fiber plans in Charleston are month-to-month with no early termination fee. All four plans — 300 Mbps, 500 Mbps, 1 GIG, 5 GIG — include a free Wi-Fi gateway. Cancel or change anytime.
AT&T Fiber connections typically run at <5 ms latency with 99% reliability. That matters for competitive gaming, real-time trading, and remote work from Charleston — cable can't match it.
AT&T 1 GIG costs $50/mo for 1,000 Mbps — saving $360/year vs cable competitors at $80/mo. AT&T 5 GIG at $95/mo delivers 5,000 Mbps with no data cap and 99% reliability.
From Magnolia Plantation to Charleston Harbor, here's how AT&T Fiber powers the things Charleston loves — with 5,000 Mbps, unlimited data, and 99% reliability.
Rainbow Row's pastel houses define Charleston's historic peninsula. Tourism and nearby residences need bandwidth that scales with visitors. AT&T Fiber delivers speeds up to 5,000 Mbps with unlimited data and 99% reliability across Charleston County.
Fort Sumter in Charleston Harbor marks where the Civil War began. Surrounding peninsula neighborhoods get AT&T Fiber plans from $35/mo for 300 Mbps without data caps.
Magnolia Plantation & Gardens draws visitors along the Ashley River. AT&T Fiber's symmetric uploads fit nearby homes and hospitality.
Charleston Harbor and the Battery keep the Lowcountry connected. AT&T Fiber's <5 ms latency and multi-gig options fit ZIP 29401.
Every plan includes unlimited data, symmetric upload speeds, no annual contract, and a free Wi-Fi gateway. Prices reflect AutoPay & paperless billing. Last updated: July 9, 2026.
| Plan | Download Speed | Upload Speed | Price/mo | Data Cap | Contract |
|---|---|---|---|---|---|
| AT&T Fiber 300 | 300 Mbps | 300 Mbps | $35 | None | None |
| AT&T Fiber 500 | 500 Mbps | 500 Mbps | $45 | None | None |
| AT&T Fiber 1 GIG | 1,000 Mbps | 1,000 Mbps | $50 | None | None |
| AT&T Fiber 5 GIG | 5,000 Mbps | 5,000 Mbps | $95 | None | None |
Every plan includes unlimited data, no annual contract, symmetric upload speeds, and a free Wi-Fi gateway. Prices with AutoPay & paperless billing. Last updated: July 9, 2026.
All plans include a free Wi-Fi gateway, <5 ms latency, and 99% reliability. Prices reflect AutoPay & paperless billing discounts. Availability varies by Charleston address — AT&T covers 37% of South Carolina and 30M+ locations nationwide.
Explore AT&T Fiber availability in cities near Charleston. Plans from $35/mo with AutoPay — call (866) 667-5219 to check your address.
Yes. AT&T Fiber is available in parts of Charleston, SC (Charleston County, ZIP 29401). AT&T covers 37% of South Carolina addresses and is actively expanding across Charleston, including neighborhoods near Rainbow Row, Fort Sumter, Magnolia Plantation. Availability is address-specific — call (866) 667-5219 to check your exact address.
AT&T Fiber in Charleston offers speeds up to 5 GIG (5,000 Mbps) with symmetric uploads. Available plans include 300 Mbps ($35/mo), 500 Mbps ($45/mo), 1 GIG at 1,000 Mbps ($50/mo), and 5 GIG at 5,000 Mbps ($95/mo). Fiber latency is typically under 5 ms with 99% reliability. All plans include unlimited data and no annual contract.
No. AT&T Fiber plans in Charleston include truly unlimited data with no caps, no overage fees, and no throttling. Whether you're streaming in 4K near Rainbow Row or working from home, your data is unlimited on all four plans from 300 Mbps to 5,000 Mbps.
AT&T Fiber in Charleston starts at $35/mo for 300 Mbps with AutoPay and paperless billing. Plans include Fiber 300 ($35/mo, 300 Mbps), Fiber 500 ($45/mo, 500 Mbps), Fiber 1 GIG ($50/mo, 1,000 Mbps), and Fiber 5 GIG ($95/mo, 5,000 Mbps). All plans include unlimited data, no annual contract, and a free Wi-Fi gateway.
AT&T Fiber is available in many Charleston neighborhoods near Rainbow Row, Fort Sumter, Magnolia Plantation, and across ZIP 29401. AT&T covers 37% of South Carolina addresses and is actively expanding its fiber footprint across Charleston County. Availability is address-specific — enter your address in our checker or call (866) 667-5219 for an instant check.
Yes. Bundle AT&T Fiber with an eligible unlimited wireless plan and save up to $420 per year. You get $10/mo off fiber plus $10/mo off per wireless line. AT&T serves 30 million+ locations nationwide with fiber. Call (866) 667-5219 to build your bundle and check Charleston availability.
No. AT&T Fiber plans in Charleston are month-to-month with no annual contract and no early termination fee. All four plans — 300 Mbps, 500 Mbps, 1 GIG, and 5 GIG — include unlimited data and a free Wi-Fi gateway. You can cancel or change plans anytime without penalty.
One quick check tells you if AT&T Fiber is available where you live in Charleston (ZIP 29401). If it is, you could switch today — no contract, no data cap, symmetric speeds up to 5 GIG (5,000 Mbps), plans from $35/mo.