Best Internet Providers in Mount Sterling, IL
All 8 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Mount Sterling, IL
Mount Sterling has 8 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Fixed Wireless, and DSL internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in Mount Sterling.
Ranks compare Mount Sterling with the 15,682 US towns of 1,000 to 9,999 people, the tiers of our fastest-cities rankings.
The Best Internet in Mount Sterling, IL at a Glance
Mount Sterling Internet Providers, Ranked by Coverage, Speed and Customer Ratings
Adams Telephone Co-Operative
Connection
Customer Rating
Fiber
CASSCOMM
Connection
Customer Rating
Fiber
Fixed Wireless
Frontier
Connection
Customer Rating
DSL
EarthLink
Connection
Customer Rating
Fixed Wireless
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Mount Sterling ratings may vary and are shown below.
Who is the Best Internet Provider in Mount Sterling, IL?
CASSCOMM is the highest-rated internet provider in Mount Sterling based on 91 Illinois customer reviews, and T-Mobile Home Internet has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above.
Which Providers are Available at my Home in Mount Sterling?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.
Coverage map for each provider in Mount Sterling
- CASSCOMM - fiber coverage map
- Adams Telephone Co-Operative - fiber coverage map
- Nextlink - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
- CASSCOMM - fixed wireless coverage map
- Frontier - dsl coverage map
- Verizon - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
How Mount Sterling Compares to Places Its Size
Mount Sterling's report card score is in the top 16% and its connectivity index is in the bottom 10%.
| Measure | Mount Sterling | Rank among US towns of 1,000 to 9,999 people | Brown County | Illinois | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 90.0% | top 36% | 59.7% | 47.6% | 71.5% | 1,056 places at 100.0% |
| Average top speed | 1,855 Mbps | top 39% | 1,271 Mbps | 3,187 Mbps | 3,486 Mbps | Collegedale, TN and Lakesite, TN and 2 more (25,000 Mbps) |
| Providers at a typical address | 8.2 | top 8% | 5.5 | 7.3 | 7.1 | McLendon-Chisholm, TX (14.2) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.1 | bottom 10% | 2.0 | 2.6 | 2.7 | St. George, GA (6.2) |
| Workers who work from home | 8% | bottom 41% | 6% | 16% | 15% | Indian Springs, NV (76%) |
| Homes with a computer, tablet or phone | 92% | bottom 36% | 91% | 95% | 96% | 515 places at 100% |
| Homes with internet | 80% | bottom 15% | 80% | 91% | 91% | 115 places at 100% |
| Homes on fiber, cable or DSL | 59% | bottom 34% | 53% | 75% | 76% | Bunkerville, NV and Fort Myer, VA and 3 more (100%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 63% | bottom 17% | 63% | 81% | 81% | 12 places at 100% |
| Median household income | $57,683 | bottom 20% | $56,166 | $95,616 | $93,246 | 16 places at $250,001 |
| Residents in school (6th grade to college) | 10% | bottom 25% | 10% | 16% | 16% | University Park, PA (95%) |
Fiber reaches 90.0% of homes in Mount Sterling, against 59.7% across Brown County and 47.6% across Illinois. Households in Mount Sterling are smaller than the US average (2.1 people against 2.7); 8% of workers work from home (US 15%); and the median household income is $57,683 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in Mount Sterling
Which Fiber Internet Providers are Available in Mount Sterling?
Adams Telephone Co-Operative Fiber in Mount Sterling, IL
Availability:
89.9%
Customer Rating:
(3)
Avg. Download Speed
1,000 Mbps
Adams Telephone Co-Operative offers Fiber service to 89.9% of Mount Sterling homes. Across the city, Adams Telephone Co-Operative Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
CASSCOMM Fiber in Mount Sterling, IL
Availability:
88.6%
Customer Rating:
(4)
Avg. Download Speed
2,000 Mbps
CASSCOMM offers Fiber service to 88.6% of Mount Sterling homes. Across the city, CASSCOMM Fiber has speeds up to 2,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Mount Sterling?
T-Mobile Home Internet Fixed Wireless in Mount Sterling, IL
Availability:
95.2%
Customer Rating:
(342)
Avg. Download Speed
25 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 95.2% of Mount Sterling homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
EarthLink Fixed Wireless in Mount Sterling, IL
Availability:
95.0%
Customer Rating:
(4)
Avg. Download Speed
61 Mbps
EarthLink offers Fixed Wireless service to 95.0% of Mount Sterling homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 61 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 11 Mbps throughout the city.
AT&T Fixed Wireless in Mount Sterling, IL
Availability:
95.0%
Customer Rating:
(205)
Avg. Download Speed
61 Mbps
AT&T offers Fixed Wireless service to 95.0% of Mount Sterling homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 61 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 11 Mbps throughout the city.
Nextlink Fixed Wireless in Mount Sterling, IL
Availability:
94.5%
Customer Rating:
(14)
Avg. Download Speed
496 Mbps
Nextlink offers Fixed Wireless service to 94.5% of Mount Sterling homes. Across the city, Nextlink Fixed Wireless is the only type of service available from the company, with speeds up to 496 Mbps, with speeds from 200 Mpbs up to 500 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 50 and as high as 100, with an average of 99 Mbps throughout the city.
CASSCOMM Fixed Wireless in Mount Sterling, IL
Availability:
90.4%
Customer Rating:
(0)
Avg. Download Speed
44 Mbps
CASSCOMM offers Fixed Wireless service to 90.4% of Mount Sterling homes. Across the city, CASSCOMM Fixed Wireless has speeds up to 44 Mbps, with speeds from 25 Mpbs up to 50 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 5.0, with an average of 4.5 Mbps throughout the city.
Verizon Fixed Wireless in Mount Sterling, IL
Availability:
70.6%
Customer Rating:
(362)
Avg. Download Speed
37 Mbps
Verizon offers Fixed Wireless service to 70.6% of Mount Sterling homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 37 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 6.6 Mbps throughout the city.
Which Cable Internet Providers are Available in Mount Sterling?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Mount Sterling, IL.
Which DSL Internet Providers are Available in Mount Sterling?
Frontier DSL in Mount Sterling, IL
Availability:
85.7%
Customer Rating:
(58)
Avg. Download Speed
32 Mbps
Frontier Communications offers DSL service to 85.7% of Mount Sterling homes. Across the city, Frontier DSL is the only type of service available from the company, with speeds up to 32 Mbps, with speeds from 10 Mpbs up to 115 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 7.0, with an average of 1.9 Mbps throughout the city.
Internet in Mount Sterling by Neighborhood and ZIP Code
Mount Sterling has 1 ZIP code with its own page. Each row links to that place’s page.
Neighborhoods in Mount Sterling
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Mount Sterling
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 62353 | 5,053 | 57.4% | 1,270 Mbps | 5.6 | C+ | 18/100 |
How Mount Sterling Compares to Nearby Places
The 10 places nearest to Mount Sterling that have their own pages are all within 13 miles. Among them, Chambersburg has the most homes with fiber (94.1%) and Kellerville the fewest (5.4%); Mount Sterling has 90.0%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Mount Sterling (this page) | 2,602 | 90.0% | 1,855 Mbps | 8.2 | B+ | 26/100 |
| Hersman | 2,028 | 20.5% | 642 Mbps | 2.8 | D | 14/100 |
| Clayton | 982 | 75.2% | 864 Mbps | 4.9 | C | 15/100 |
| Versailles | 851 | 63.8% | 1,338 Mbps | 4.7 | C | 28/100 |
| Ripley | 481 | 9.6% | 629 Mbps | 4.1 | D | 17/100 |
| Camden | 309 | 57.3% | 777 Mbps | 2.1 | D | 47/100 |
| Cooperstown | 263 | 17.1% | 496 Mbps | 4.1 | D | 15/100 |
| Timewell | 219 | 48.0% | 779 Mbps | 5.5 | C- | 43/100 |
| Kellerville | 166 | 5.4% | 268 Mbps | 2 | D- | 29/100 |
| Chambersburg | 153 | 94.1% | 966 Mbps | 3.5 | C | 21/100 |
| Mound Station | 149 | 93.3% | 966 Mbps | 6 | B- | 51/100 |
Who is the Fastest Internet Provider in Mount Sterling?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by Adams Telephone Co-Operative. On the other hand, based on data provided by the internet providers to the FCC, CASSCOMM should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Mount Sterling
| CASSCOMM | 2,000 |
|---|---|
| Adams Telephone Co-Operative | 1,000 |
| Nextlink | 500 |
| Verizon | 300 |
| Frontier Communications | 115 |
| Viasat | 100 |
| AT&T | 100 |
| EarthLink | 100 |
| HughesNet | 25 |
| T-Mobile Home Internet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Mount Sterling. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Mount Sterling Internet Providers
Based on 91 reviews from Illinois internet customers, CASSCOMM is the best internet service provider for Mount Sterling residents. CASSCOMM was rated at an average of 4.80 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in Illinois, with 3.94 out of 5 stars and 95.2% coverage in Mount Sterling.
At a national level, based on 2428 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.
Local, State, and National Ratings for all Mount Sterling Internet Providers
The table below shows average customer ratings from customers in Mount Sterling, Illinois, and customers throughout the country.
| ISP / Tech Type | Mount Sterling Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (5) | (5) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| Adams Telephone Co-Operative | (1) | (3) | (3) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Viasat | (0) |  (1) |  (12) | View Plans | ||
| Frontier | (0) |  (5) | (177) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| Nextlink | (0) | (0) | (19) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans |
Customer Ratings for Internet Provider Speeds in Mount Sterling
Based on data reported by Mount Sterling ISPs to the FCC, the fastest speeds in the city are available through CASSCOMM. The company offers speeds up to 2,000 Mbps in Mount Sterling. Therefore, the average customer can get up to 1,860 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with Adams Telephone Co-Operative. This indicates Adams Telephone Co-Operative reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Mount Sterling Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Adams Telephone Co-Operative | (1) | (3) | (3) | View Plans | ||
| CASSCOMM | (0) | (5) | (5) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| Frontier | (0) | (5) | (177) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Nextlink | (0) | (0) | (19) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans |
Who is the Cheapest Internet Provider in Mount Sterling?
Of the providers in Mount Sterling, customers rate Verizon the best for price. Data comes from customers rating their satisfaction with pricing: in Mount Sterling where enough of them have reviewed a provider, otherwise across Illinois or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
Verizon is rated 4.00 out of 5 for price, which is higher than the average across all internet providers in the country. CASSCOMM is rated second for affordability, with an average price rating of 4.20 out of 5.
The table below shows how customers in Mount Sterling, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Mount Sterling
| ISP / Tech Type | Mount Sterling Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (5) | (5) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| Adams Telephone Co-Operative | (1) | (3) | (3) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Frontier | (0) | (5) | (177) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Nextlink | (0) | (0) | (19) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans |
Customer Reviews for Internet Service Providers in Illinois
Customer Reviews
ISPReports User
Pavlov Media Fiber
November 13, 2026 Carol
McDonough Telephone Cooperative Fiber
October 26, 2026 Fast, friendly service. Appreciate being able to get quick help by calling. Actually get a person on the phone
ISPReports User
McDonough Telephone Cooperative Fiber
October 09, 2026 61438
McDonough Telephone Cooperative Fiber
October 08, 2026 MTC has been a great internet for my family. Rather it be gaming system speed, or just watching tv in multiple rooms, The internet seems to run smoothly. I very seldom have internet interruption. When we do it is usually due to storm taking out a pole, or upgrading the system. It usually has been a short time when it does happen.
ISPReports User
MTC Technologies Fiber
October 08, 2026 Rate your provider
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Which ISP Should You Choose in Mount Sterling?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Mount Sterling is CASSCOMM.
- The fastest internet provider should be CASSCOMM. Considering speed for the money and reliability in speeds, Adams Telephone Co-Operative may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Mount Sterling is Verizon.
- Viasat, HughesNet, and CASSCOMM has the broadest coverage in Mount Sterling, available to 95.4% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.