Best Internet Providers in Diamond City, IL
All 7 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Diamond City, IL
Diamond City has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Diamond City.
Ranks compare Diamond City with the 31,388 US places under 1,000 people, the tiers of our fastest-cities rankings.
The Best Internet in Diamond City, IL at a Glance
Diamond City Internet Providers, Ranked by Coverage, Speed and Customer Ratings
Hamilton County Communications
Connection
Customer Rating
Fiber
DSL
Frontier
Connection
Customer Rating
Fiber
DSL
EarthLink
Connection
Customer Rating
Fixed Wireless
Wisper Internet
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 Diamond City ratings may vary and are shown below.
Who is the Best Internet Provider in Diamond City, IL?
T-Mobile Home Internet is the best internet provider in Diamond City based on Illinois customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in Diamond City, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 66.12% of the city.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
Which Providers are Available at my Home in Diamond City?
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 Diamond City
- Frontier - fiber coverage map
- Hamilton County Communications - fiber coverage map
- Wisper Internet - fixed wireless coverage map
- Sparklight - cable coverage map
- Sparklight - fiber coverage map
- Frontier - dsl coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
- Hamilton County Communications - dsl coverage map
How Diamond City Compares to Places Its Size
Diamond City's report card score is in the top 15% and its connectivity index is in the bottom 6%.
| Measure | Diamond City | Rank among US places under 1,000 people | Hamilton County | Illinois | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 91.6% | top 39% | 75.3% | 47.6% | 71.5% | 6,946 places at 100.0% |
| Average top speed | 3,047 Mbps | top 11% | 3,286 Mbps | 3,187 Mbps | 3,486 Mbps | Fairmount, TN and Falling Water, TN and 5 more (25,000 Mbps) |
| Providers at a typical address | 5.5 | top 27% | 5.4 | 7.3 | 7.1 | Los Prados, PR (15.1) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.4 | bottom 49% | 2.3 | 2.6 | 2.7 | Paguate, NM (13.4) |
| Workers who work from home | 2% | bottom 8% | 3% | 16% | 15% | Boys Town, NE (100%) |
| Homes with a computer, tablet or phone | 81% | bottom 8% | 84% | 95% | 96% | 1,494 places at 100% |
| Homes with internet | 74% | bottom 13% | 79% | 91% | 91% | 370 places at 100% |
| Homes on fiber, cable or DSL | 47% | bottom 30% | 55% | 75% | 76% | 23 places at 100% |
| More about the households here | ||||||
| Homes with a desktop or laptop | 57% | bottom 15% | 61% | 81% | 81% | 72 places at 100% |
| Median household income | $66,079 | bottom 43% | $71,390 | $95,616 | $93,246 | 22 places at $250,001 |
| Residents in school (6th grade to college) | 13% | top 36% | 15% | 16% | 16% | University at Buffalo, NY (100%) |
Fiber reaches 91.6% of homes in Diamond City, against 75.3% across Hamilton County and 47.6% across Illinois. Households in Diamond City are smaller than the US average (2.4 people against 2.7); 2% of workers work from home (US 15%); and the median household income is $66,079 (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 Diamond City
Which Fiber Internet Providers are Available in Diamond City?
Hamilton County Communications Fiber in Diamond City, IL
Hamilton County Communications offers Fiber service to 91.6% of Diamond City homes. Across the city, Hamilton County Communications Fiber has speeds up to 1,000 Mbps
Frontier Fiber in Diamond City, IL
Frontier Communications offers Fiber service to 33.2% of Diamond City homes. Across the city, Frontier Fiber has speeds up to 7,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Diamond City?
Wisper Internet Fixed Wireless in Diamond City, IL
Wisper Internet offers Fixed Wireless service to 88.7% of Diamond City homes. Across the city, Wisper Internet Fixed Wireless is the only type of service available from the company, with speeds up to 348 Mbps, with speeds from 100 Mpbs up to 400 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 30, with an average of 28 Mbps throughout the city.
EarthLink Fixed Wireless in Diamond City, IL
EarthLink offers Fixed Wireless service to 78.9% of Diamond City homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 42 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 6.9 Mbps throughout the city.
AT&T Fixed Wireless in Diamond City, IL
AT&T offers Fixed Wireless service to 78.9% of Diamond City homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 42 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 6.9 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in Diamond City, IL
T-Mobile Home Internet offers Fixed Wireless service to 66.1% of Diamond City homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 70 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 13 Mbps throughout the city.
Which Cable Internet Providers are Available in Diamond City?
Which DSL Internet Providers are Available in Diamond City?
Frontier DSL in Diamond City, IL
Frontier Communications offers DSL service to 67.8% of Diamond City homes. Across the city, Frontier DSL has speeds up to 69 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 4.3 Mbps throughout the city. Frontier DSL is rated higher than other types of internet service available in Diamond City from Frontier in terms of customer satisfaction.
Internet in Diamond City by Neighborhood and ZIP Code
Each row links to that place’s page.
Neighborhoods in Diamond City
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Diamond City
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
How Diamond City Compares to Nearby Places
The 10 places nearest to Diamond City that have their own pages are all within 10 miles. Among them, McLeansboro has the most homes with fiber (95.3%) and Dahlgren the fewest (72.3%); Diamond City has 91.6%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Diamond City (this page) | 608 | 91.6% | 3,047 Mbps | 5.5 | B | 15/100 |
| McLeansboro | 3,460 | 95.3% | 5,966 Mbps | 6.7 | A- | 16/100 |
| Dahlgren | 1,371 | 72.3% | 1,307 Mbps | 5.5 | C+ | 38/100 |
| Macedonia | 824 | 55.2% | 1,683 Mbps | 3.4 | C- | 18/100 |
| Dale | 379 | 39.3% | 486 Mbps | 3.3 | D | 28/100 |
| Thackeray | 299 | 42.8% | 552 Mbps | 3.7 | D+ | 58/100 |
| Delafield | 232 | 60.3% | 660 Mbps | 4.3 | C- | 42/100 |
| Walpole | 221 | 31.7% | 517 Mbps | 2.9 | D | 22/100 |
| Frisco | 160 | 76.9% | 1,580 Mbps | 3.3 | C | 37/100 |
| Piopolis | 131 | 91.6% | 941 Mbps | 4.5 | C | 41/100 |
| Mayberry | 49 | 20.4% | 407 Mbps | 3.8 | D | 29/100 |
Who is the Fastest Internet Provider in Diamond City?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by T-Mobile Home Internet. On the other hand, based on data provided by the internet providers to the FCC, Frontier 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 Diamond City
| Frontier Communications | 7,000 |
|---|---|
| Sparklight | 7,000 |
| Hamilton County Communications | 1,000 |
| Wisper Internet | 400 |
| Viasat | 100 |
| AT&T | 100 |
| EarthLink | 100 |
| T-Mobile Home Internet | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Diamond City. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Diamond City Internet Providers
Based on 81 reviews from Illinois internet customers, T-Mobile Home Internet is the best internet service provider for Diamond City residents. T-Mobile Home Internet was rated at an average of 3.94 out of 5 in our report for overall customer satisfaction. AT&T wins for second-place in Illinois, with 3.53 out of 5 stars and 78.9% coverage in Diamond City.
At a national level, based on 1671 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 Diamond City Internet Providers
The table below shows average customer ratings from customers in Diamond City, Illinois, and customers throughout the country.
| ISP / Tech Type | Diamond City Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Sparklight | (0) | (6) | (82) | View Plans | ||
| Wisper Internet | (0) | (1) | (3) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Frontier | (0) | (5) | (177) | View Plans | ||
| Hamilton County Communications | (0) | (0) | (1) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans |
Customer Ratings for Internet Provider Speeds in Diamond City
Based on data reported by Diamond City ISPs to the FCC, the fastest speeds in the city are available through Frontier Communications. The company offers speeds up to 7,000 Mbps in Diamond City. Therefore, the average customer can get up to 3,211 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 T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Diamond City Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Sparklight | (0) | (6) | (82) | View Plans | ||
| Frontier | (0) | (5) | (177) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Wisper Internet | (0) | (1) | (3) | View Plans | ||
| Hamilton County Communications | (0) | (0) | (1) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans |
Who is the Cheapest Internet Provider in Diamond City?
Of the providers in Diamond City, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Diamond City 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.
T-Mobile Home Internet is rated 3.78 out of 5 for price, which is similar to the average across all internet providers in the country. Frontier Communications is rated second for affordability, with an average price rating of 3.40 out of 5.
The table below shows how customers in Diamond City, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Diamond City
| ISP / Tech Type | Diamond City Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Frontier | (0) | (5) | (177) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Wisper Internet | (0) | (1) | (3) | View Plans | ||
| Sparklight | (0) | (6) | (82) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Hamilton County Communications | (0) | (0) | (1) | 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 Diamond City?
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 Diamond City is T-Mobile Home Internet.
- The fastest internet provider should be Frontier Communications. Considering speed for the money and reliability in speeds, T-Mobile Home Internet may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Diamond City is T-Mobile Home Internet.
- Viasat, HughesNet, and Hamilton County Communications has the broadest coverage in Diamond City, available to 94.7% 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.
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