8 Best Internet Providers in Sepo, IL
Find internet availability by address in Sepo, IL
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Sepo ISP Report Card | Business Internet in Sepo
| Sepo ISP Report Card | C- | |
| Download Speed for Most Households | 525 Mbps | |
| Number of Internet Service Providers | 8 | |
| Real Sepo Customer Ratings | 0 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Sepo has 8 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in Sepo.
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Sepo has 8 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in Sepo.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Mid Century Communications
Connection
Customer Rating
Fiber
EarthLink
Connection
Customer Rating
Fixed Wireless
US Cellular
Connection
Customer Rating
Fixed Wireless
CASSCOMM
Connection
Customer Rating
Fixed Wireless
Above are the top 4 providers in Sepo, IL for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
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 Sepo ratings may vary and are shown below.
Who is the Best Internet Provider in Sepo, IL?
CASSCOMM is the highest-rated internet provider in Sepo based on 74 Illinois customer reviews, and CASSCOMM 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. The chart and table below show average customer ratings from customers in Sepo, Illinois, and customers throughout the country.
Top Rated Internet Providers in Sepo
Local, State, and National Ratings for all Sepo Internet Providers
| ISP / Tech Type | Sepo Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (2) | (4) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| Mid Century Communications | (0) | (0) | (1) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans |
Based on 74 reviews from Illinois internet customers, CASSCOMM is the best internet service provider for Sepo residents. CASSCOMM was rated at an average of 5.00 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in Illinois, with 4.10 out of 5 stars and 55.8% coverage in Sepo.
At a national level, based on 2006 national reviews for any of the providers listed above, CASSCOMM is rated higher than any other provider, with a rating of 4.81 out of 5.
Which Providers are Available at my Home in Sepo?
a different provider.

Internet Availability Key
Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Sepo?
According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by CASSCOMM. On the other hand, based on data provided by the internet providers to the FCC, Mid Century Communications 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 Sepo
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Mid Century Communications | 1,000 Mbps | ||
| Nextlink | 500 Mbps | ||
| Verizon | 300 Mbps | ||
| US Cellular | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| AT&T | 25 Mbps | ||
| EarthLink | 25 Mbps | ||
| T-Mobile Home Internet | 25 Mbps | ||
| CASSCOMM | 25 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Sepo
| ISP / Tech Type | Sepo Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (2) | (4) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| Mid Century Communications | (0) | (0) | (1) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans |
Based on data reported by Sepo ISPs to the FCC, the fastest speeds in the city are available through Mid Century Communications. The company offers speeds up to 1,000 Mbps in Sepo. Therefore, the average customer can get up to 1,000 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the city rated their satisfaction with internet speed highest with CASSCOMM. This indicates CASSCOMM reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Sepo?
Illinois customers rate CASSCOMM as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
CASSCOMM received a local rating of 4.50 out of 5, which is higher than the average across all internet providers in the country. Verizon is rated in second place for affordability by the company’s Sepo customers with an average price rating of 4.00 out of 5.
The chart and graph below show how customers in Sepo, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Sepo
| ISP / Tech Type | Sepo Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (2) | (4) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| Mid Century Communications | (0) | (0) | (1) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans |
Sepo Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the city and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Sepo below, including the metrics used and how Sepo compares to the rest of Illinois and nation.
| Metric
(hover for details)
|
Sepo | Illinois | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Sepo that have a Fiber internet connection available to their home. | 25.83% | 44.05% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 525 Mbps | 2,791 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Sepo. | 5.9 | 7.1 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.3 | 2.6 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 4% | 14% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 90% | 95% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 79% | 90% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 31% | 74% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 31% | 75% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Sepo ISP Report Card & Digital Connectivity Index
The ISP Report Card in Sepo is C-, which is much worse than other cities. The local demand for broadband internet connectivity in Sepo is high with a score of 14 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Sepo have done a very poor job meeting the needs of its residents.
The Sepo ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
79% of Sepo households have an internet connection despite having 100.00% availability. 31% of households have fiber, cable, or DSL, 30% have satellite, 0% are still on dial-up, and 2% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 31% of households have a broadband connection such as fiber, cable or DSL available to their home, 31% subscribe to it. A very low number of Sepo residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Cities Compare to Sepo?
- ISP Report Card: C+
- Digital Connectivity Index: 21 / 100
- ISP Report Card: B
- Digital Connectivity Index: 49 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 12 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 34 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 63 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 25 / 100
- ISP Report Card: F
- Digital Connectivity Index: 12 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 40 / 100
- ISP Report Card: F
- Digital Connectivity Index: 17 / 100
How Much Speed does a Sepo Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Sepo is 2.3, which is smaller than the Illinois average of 2.6 and smaller than the national average of 2.7. Sepo's average household income is $88,911 which is higher than the Illinois average of $93,298 and higher than the national average of $90,606. Homes with fewer people living in them and with higher incomes tend to indicate a fairly average device usage pattern.
Sepo also has 18% of its population enrolled in school between the 6th grade and college level, this is higher than the Illinois average of 16%. Additionally, 4% of residents work from home, which is lower than the 14% of residents in Illinois who work from home. This and other factors you can see above show us that the community of Sepo has a very low need for internet connectivity and speeds.
Compared to the rest of the country, Sepo households are more technology-disengaged. 90% of households have some sort of computing device, 77% have desktops or laptops in the home, and 84% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Sepo?
Mid Century Communications Fiber in Sepo, IL
Mid Century Communications offers Fiber service to 25.8% of Sepo homes. Across the city, Mid Century Communications Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in Sepo?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Sepo, IL.
Which DSL Internet Providers are Available in Sepo?
According to the most recently submitted data by internet service providers to the FCC, there are currently no DSL providers available in Sepo, IL.
Which Fixed Wireless and LTE Internet Providers are Available in Sepo?
US Cellular Fixed Wireless in Sepo, IL
US Cellular offers Fixed Wireless service to 100.0% of Sepo homes. Across the city, US Cellular Fixed Wireless is the only type of service available from the company, with speeds up to 74 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 14 Mbps throughout the city.
CASSCOMM Fixed Wireless in Sepo, IL
CASSCOMM offers Fixed Wireless service to 91.7% of Sepo homes. Across the city, CASSCOMM Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
T-Mobile Home Internet Fixed Wireless in Sepo, IL
T-Mobile Home Internet offers Fixed Wireless service to 81.7% of Sepo 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 Sepo, IL
EarthLink offers Fixed Wireless service to 80.0% of Sepo homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
AT&T Fixed Wireless in Sepo, IL
AT&T offers Fixed Wireless service to 80.0% of Sepo homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
Nextlink Fixed Wireless in Sepo, IL
Nextlink offers Fixed Wireless service to 75.0% of Sepo homes. Across the city, Nextlink Fixed Wireless is the only type of service available from the company, with speeds up to 500 Mbps
Verizon Fixed Wireless in Sepo, IL
Verizon offers Fixed Wireless service to 55.8% of Sepo homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Which ISP Should You Choose in Sepo?
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 Sepo is CASSCOMM.
- The fastest internet provider should be Mid Century Communications. Considering speed for the money and reliability in speeds, CASSCOMM may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Sepo is CASSCOMM.
- US Cellular, Viasat, and HughesNet has the broadest coverage in Sepo, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Sepo compare to other cities with a similar population?
To see how Sepo stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Sepo's C- ISP Report Card and 14 / 100 Digital Connectivity Index.
- ISP Report Card: B-
- Digital Connectivity Index: 51 / 100
- ISP Report Card: C
- Digital Connectivity Index: 27 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 12 / 100
- ISP Report Card: C
- Digital Connectivity Index: 61 / 100
- ISP Report Card: C
- Digital Connectivity Index: 48 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 51 / 100
- ISP Report Card: A
- Digital Connectivity Index: 63 / 100
- ISP Report Card: D
- Digital Connectivity Index: 61 / 100
- ISP Report Card: D
- Digital Connectivity Index: 10 / 100
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