Best DSL Internet Providers in Phoenix, Arizona (2026)

In Phoenix, CenturyLink offers the broadest DSL coverage at 79.9%. DSL internet plans available here deliver 15-100 Mbps download speeds with monthly rates starting around $37-55, and no shared bandwidth.

Internet shoppers in Phoenix, AZ who want a connection that does not share bandwidth with neighbors often turn to DSL service. This major metro in the West is home to 1,650,070 people and offers 2 DSL providers. CenturyLink has the strongest DSL presence, reaching an estimated 79.9% of local addresses.

DSL Internet Providers in Phoenix: Comparison Table

Provider	Max Speed	Starting Price	Coverage	Phone
CenturyLink	Up to 100 Mbps	$50/mo	79.9%	1-855-512-4817
AT&T Internet	100 Mbps	$55/mo	50.0%	1-855-850-5977

DSL Internet Providers Serving Phoenix, AZ

Let us examine each DSL provider operating in the Phoenix area, covering their available plans and what technology they use.

CenturyLink DSL Internet in Phoenix

With 79.9% area coverage in Phoenix, CenturyLink provides DSL service over the local copper loop network.

Subscribers to CenturyLink DSL in Phoenix receive a dedicated connection that is not shared with neighbors, unlike cable internet. This can result in more consistent speeds during peak evening hours when network congestion is highest.

Simply Unlimited Internet: Up to 100 Mbps download for $50/mo (VDSL2 technology)
DSL 40: 40 Mbps download for $50/mo (VDSL2 technology)

View CenturyLink DSL plans for Phoenix →

Call 1-855-512-4817 to check CenturyLink DSL availability at your Phoenix address.

AT&T Internet DSL Internet in Phoenix

In Phoenix, AT&T Internet reaches roughly 50.0% of households with its DSL internet service.

AT&T Internet DSL service in Phoenix uses a combination of ADSL2+ and VDSL2 equipment depending on proximity to the serving central office. Homes within 5,000 feet of a DSLAM can typically receive VDSL2 speeds, while those further away connect via ADSL2+.

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 Phoenix →

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

Consider Cox Internet as an alternative to DSL in Phoenix if coverage is available. Call 1-855-342-0684 to learn about Cox Internet plans.

For a non-DSL option in Phoenix, T-Mobile offers service via 5G, Fixed Wireless, Mobile. Call 1-844-275-9311 to learn about T-Mobile plans.

While HughesNet does not offer DSL in Phoenix, it provides alternative internet service. Call 1-855-543-5405 to learn about HughesNet plans.

Verizon Fios serves Phoenix with Fiber technology. Call 1-855-387-1456 to learn about Verizon Fios plans.

DSL Technology Explained for Phoenix Residents

Digital Subscriber Line internet in Phoenix works by transmitting data over copper telephone cables using frequencies above the voice band. This allows simultaneous phone calls and internet usage on the same line without interference. Two variants are common in the Arizona market: ADSL (Asymmetric DSL), which allocates more bandwidth to downloads than uploads, and VDSL2, which supports symmetrical or near-symmetrical speeds at shorter distances from the provider's equipment.

Throughout Phoenix, the distance between your home and the closest DSLAM is the single biggest factor affecting your DSL speed. A DSLAM is a specialized piece of networking equipment, often housed in a roadside cabinet or inside a telephone central office. In the West region, telephone companies have deployed additional DSLAMs over the years to improve speeds in high-demand areas. If your Phoenix address is within 3,000 feet of a DSLAM, you may qualify for VDSL2 speeds of 50-100 Mbps. At 10,000 feet or more, expect ADSL speeds in the 5-15 Mbps range.

The condition of the copper loop matters significantly for DSL performance in Phoenix. Signal loss increases with older wiring, corroded connections, and the presence of bridge taps, which are unterminated wire segments left from old telephone installations. Having a technician evaluate and clean up your copper line can sometimes result in measurable speed improvements.

DSL plans in Phoenix commonly include unlimited data, a feature that sets them apart from many satellite and fixed wireless alternatives. This makes DSL a practical option for remote workers, students attending virtual classes, and families who stream content throughout the day. Phone line bundling options are also available from several DSL providers in Phoenix, offering potential savings for households that want both internet and landline telephone service.

Selecting Your DSL Provider in Phoenix

Choosing a DSL internet provider in Phoenix starts with understanding what is available at your address. Unlike cable or fiber, DSL availability is highly location-dependent because it relies on the physical distance of copper wire to the nearest DSLAM. Use your Phoenix ZIP code (85001) to check coverage on provider websites, or call the numbers listed above for personalized availability checks.

Consider your household's bandwidth requirements when selecting a speed tier. For a single person or couple using the internet for email, web browsing, and light streaming, an ADSL plan in the 15-25 Mbps range is typically sufficient. Families in Phoenix with multiple devices connected simultaneously, online gaming, or video conferencing needs will benefit from VDSL2 speeds of 50 Mbps or higher when available.

Compare the complete cost picture across providers. Monthly service charges, modem rental fees, installation costs, and any promotional-to-regular price jumps all affect what you actually pay over time. Some Phoenix providers include the modem at no extra charge, while others charge $10-15 per month for equipment rental, which adds up to $120-180 per year.

Reliability and customer support matter just as much as price and speed. Look for reviews from Phoenix residents about their experience with each DSL provider, including installation wait times, outage frequency, and responsiveness of technical support. For a major metro in the West, local service quality can differ significantly from a provider's national reputation.

Local DSL Internet Insights for Phoenix, Arizona

As a major metro of 1,650,070 in the West, Phoenix has a mature copper telephone infrastructure that supports DSL service across most residential areas. The Phoenix 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.

Phoenix residents often compare DSL to the 9 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 Phoenix.

Seasonal weather in the West 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 Phoenix, 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 Phoenix

How reliable is DSL internet in Phoenix?

DSL internet in Phoenix 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 Phoenix?

Yes, most DSL providers in Phoenix 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.

What equipment do I need for DSL internet in Phoenix?

To use DSL internet in Phoenix, you need a DSL modem (or combination modem-router gateway) and DSL line filters for any phone jacks in use. Most providers include a modem with service, either for a monthly rental fee or included at no extra charge. A separate Wi-Fi router may be needed if the provided modem does not include wireless capability.

Is DSL internet fast enough for streaming in Phoenix?

DSL internet in Phoenix can support streaming depending on your speed tier. VDSL2 plans at 50-100 Mbps handle HD and 4K streaming on multiple devices comfortably. Even ADSL plans at 15-25 Mbps can support HD streaming on one or two devices simultaneously. For best results, connect your streaming device via ethernet when possible.

What DSL speeds are available in Phoenix?

DSL speeds in Phoenix typically range from 15 Mbps (ADSL) to 100 Mbps (VDSL2). Your actual speed depends on the distance between your home and the nearest DSLAM. Homes within 3,000-5,000 feet of a DSLAM may qualify for VDSL2 speeds, while more distant locations will receive ADSL speeds.

Do I need a phone line for DSL in Phoenix?

DSL in Phoenix runs over copper telephone wiring, but most providers offer standalone DSL service that does not require active phone service. The copper pair is used for data only, with a splitter separating voice and internet frequencies. You can add phone service as a bundle, but it is not required for DSL internet.

Related Internet Resources for Phoenix

The information on this page about DSL providers in Phoenix is researched independently. Affiliate links are used for provider referrals, and we may receive compensation for sign-ups. Our analysis of DSL coverage and plan pricing in Phoenix is not affected by these commercial relationships.

About the Author: InternetProviders.ai provides independent broadband research for consumers. Our team compiled this DSL internet guide for Phoenix, Arizona using FCC broadband data, provider plan information, and local market analysis current to 2026.