Best DSL Internet Providers in St. Louis, Missouri (2026)

AT&T Internet is the top DSL provider in St. Louis, serving 73.1% of residents. Local DSL plans range from 15 Mbps to 100 Mbps with pricing starting near $37-55/month, delivered over dedicated copper phone lines.

Residents of St. Louis, Missouri looking for internet service that works over traditional copper phone lines have 1 DSL option available in 2026. DSL remains relevant in many Midwest communities where newer technologies are still being deployed. In this smaller city of 121, AT&T Internet offers the broadest DSL network at 73.1% area coverage.

DSL Internet Providers in St. Louis: Comparison Table

Provider	Max Speed	Starting Price	Coverage	Phone
AT&T Internet	100 Mbps	$55/mo	73.1%	1-855-850-5977

DSL Internet Providers Serving St. Louis, MO

We have compiled in-depth profiles for each DSL provider in St. Louis, Missouri, so you can compare options side by side.

AT&T Internet DSL Internet in St. Louis

In St. Louis, AT&T Internet reaches roughly 73.1% of households with its DSL internet service.

AT&T Internet continues to maintain its DSL infrastructure in St. Louis, serving areas where fiber-optic upgrades have not yet arrived. Many residential neighborhoods in the Midwest still rely on DSL as their primary wired broadband option.

Internet 100: 100 Mbps download for $55/mo (VDSL2/IPBB technology)
Internet 25: 25 Mbps download for $55/mo (ADSL2+ technology)

View AT&T Internet DSL plans for St. Louis →

Call 1-855-850-5977 to check AT&T Internet DSL availability at your St. Louis address.

Spectrum serves St. Louis with Cable technology. Call 1-844-481-5997 to learn about Spectrum plans.

Consider T-Mobile as an alternative to DSL in St. Louis if coverage is available. Call 1-844-275-9311 to learn about T-Mobile plans.

For a non-DSL option in St. Louis, HughesNet offers service via Satellite. Call 1-855-543-5405 to learn about HughesNet plans.

While Verizon Fios does not offer DSL in St. Louis, it provides alternative internet service. Call 1-855-387-1456 to learn about Verizon Fios plans.

Viasat serves St. Louis with Satellite technology. Call 1-855-463-9333 to learn about Viasat plans.

The State of DSL Internet in St. Louis, Missouri

DSL internet in St. Louis utilizes existing copper telephone infrastructure to deliver broadband service to residences across the city. The technology comes in two primary forms: ADSL (Asymmetric Digital Subscriber Line) with speeds up to 24 Mbps, and VDSL2 (Very-high- bit-rate Digital Subscriber Line 2) capable of delivering up to 100 Mbps. Which variant is available at your St. Louis address depends almost entirely on how far your home sits from the nearest DSLAM equipment.

In the St. Louis metropolitan area, DSL infrastructure has been deployed and upgraded over multiple generations. Older neighborhoods closer to the city center often have shorter copper loops to the central office, potentially qualifying for faster VDSL2 service. Newer suburban developments further from established infrastructure may see ADSL speeds unless the provider has deployed remote DSLAMs in the area. Population density in St. Louis (with approximately 121 residents) has encouraged providers to invest in DSLAM placement strategically across the service territory.

A distinguishing characteristic of DSL compared to cable internet is the dedicated connection. St. Louis DSL subscribers do not share their last-mile bandwidth with adjacent homes. This isolation from neighbor traffic can provide more predictable performance, especially during high-usage periods between 7 PM and 11 PM. For households in St. Louis that prioritize connection stability over raw speed, DSL can be a sound choice.

Most DSL providers serving St. Louis do not impose monthly data caps on residential service, allowing unlimited usage for streaming, video conferencing, and general browsing. Additionally, DSL is widely available in areas of St. Louis where fiber and cable have yet to expand, making it a critical broadband option for underserved neighborhoods. Bundling DSL with home phone service over the same copper pair often reduces the total monthly cost for both services.

Choosing the Right DSL Internet Plan in St. Louis

When comparing DSL plans in St. Louis, Missouri, the first step is verifying service availability at your specific address. DSL coverage depends on copper infrastructure, and not every provider reaches every neighborhood. Enter your St. Louis address or ZIP code 63101 on each provider's website, or call their sales line to confirm exact availability and speed options for your location.

Speed needs should guide your plan selection. A single user who primarily browses the web, checks email, and occasionally streams video in standard definition can manage comfortably with 15-25 Mbps ADSL service. Households with multiple connected devices, HD or 4K streaming habits, and work-from-home requirements should aim for a VDSL2 plan offering 50-100 Mbps if available at their St. Louis address.

Examine the total monthly cost, not just the headline price. Factor in equipment rental or purchase costs for the DSL modem, any one-time installation fees, and whether the quoted price is a promotional rate that increases after an introductory period. Several DSL providers in St. Louis offer promotional pricing for the first year, which can double in the second year of a two-year contract.

Data usage policies, contract terms, and bundling options should also influence your choice. Most DSL plans in St. Louis include unlimited data, but verify this before committing. Month-to-month plans provide flexibility, while contract plans sometimes offer lower rates. If you use a home phone, bundling DSL with phone service can lower your overall bill for both services.

Local DSL Internet Insights for St. Louis, Missouri

As a smaller city of 121 in the Midwest, St. Louis has a mature copper telephone infrastructure that supports DSL service across most residential areas. The St. Louis metro area's topology influences DSL availability: central neighborhoods typically enjoy proximity to telephone central offices and remote DSLAMs, translating to faster VDSL2 speeds, while outlying areas may be limited to ADSL.

St. Louis residents often compare DSL to the 8 total internet providers serving the area. While fiber and cable may offer higher peak speeds, DSL's dedicated connection and absence of data caps make it attractive for specific use cases. Households on a budget, those in areas without cable infrastructure, and users who value consistent performance over maximum throughput find DSL to be a practical choice in St. Louis.

Seasonal weather in the Midwest can affect DSL performance. Heavy rain can introduce moisture into older junction boxes and splice points along the copper path, temporarily reducing line quality. If you notice speed fluctuations during severe weather in St. Louis, contacting your provider for a line check is advisable. In most cases, the issue is an aging splice or corroded connection point that can be repaired to restore full performance.

Frequently Asked Questions About DSL Internet in St. Louis

What is a DSLAM and why does it matter?

A DSLAM (Digital Subscriber Line Access Multiplexer) is the equipment that connects your copper telephone line to the provider's fiber network. In St. Louis, DSLAMs are located in telephone central offices and street-side cabinets. The closer your home is to a DSLAM, the faster and more reliable your DSL connection will be.

How long does DSL installation take in St. Louis?

DSL installation in St. Louis typically takes 5-10 business days from order to activation. Many providers offer self-installation kits that ship to your St. Louis address, allowing you to set up service the same day it is activated. Professional installation, which includes a technician visit, may take an additional few days to schedule.

What is the difference between ADSL and VDSL2?

ADSL (Asymmetric Digital Subscriber Line) reaches up to 24 Mbps and works at longer distances from the DSLAM, up to about 18,000 feet. VDSL2 (Very-high-bit-rate DSL 2) offers speeds up to 100 Mbps but requires a shorter copper loop, typically under 5,000 feet. Both technologies use existing copper telephone wiring.

Do DSL internet plans in St. Louis have data caps?

Most DSL internet plans available in St. Louis do not include monthly data caps. Unlike satellite and some mobile broadband services, DSL providers in Missouri generally offer unlimited data usage on residential plans, making them suitable for streaming, remote work, and everyday browsing.

How reliable is DSL internet in St. Louis?

DSL internet in St. Louis is generally reliable because each subscriber has a dedicated copper connection to the DSLAM. Outages are typically caused by physical line damage or central office equipment issues rather than network congestion. Older copper wiring may be more susceptible to weather-related signal degradation, but modern DSL equipment handles most conditions well.

Can I bundle DSL internet with phone service in St. Louis?

Yes, most DSL providers in St. Louis offer bundles that include both internet and home phone service over the same copper telephone line. Bundling typically saves $5-20 per month compared to purchasing each service separately. Ask your provider about current bundle pricing when you call.

Related Internet Resources for St. Louis

InternetProviders.ai independently reviews DSL internet options in St. Louis, Missouri. This page contains affiliate links to provider sign-up pages. We may receive compensation for referrals, but this never influences our coverage analysis or provider rankings for the St. Louis area.

About the Author: This guide was produced by the InternetProviders.ai research team, which analyzes internet availability data for communities nationwide. Our St. Louis DSL coverage information draws from FCC filings, provider data, and local infrastructure records as of February 2026.