5 Best Internet Providers in 83421, ID
Find internet availability by address in 83421, ID
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | 83421 ISP Report Card | Business Internet in 83421
| 83421 ISP Report Card | C- | |
| Download Speed for Most Households | 586 Mbps | |
| Number of Internet Service Providers | 5 | |
| Real 83421 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.
83421 has 5 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 zip. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in 83421.
▼
83421 has 5 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 zip. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in 83421.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Blackfoot
Connection
Customer Rating
Fiber
DSL
Fybercom
Connection
Customer Rating
Fixed Wireless
Anthem Broadband
Connection
Customer Rating
Fixed Wireless
Rise Broadband
Connection
Customer Rating
Fixed Wireless
Above are the top 4 providers in 83421, ID for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your zip.
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 83421 ratings may vary and are shown below.
Who is the Best Internet Provider in 83421, ID?
Fybercom is the best internet provider in 83421 based on Idaho customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Fybercom had the best reviews at the local, state, and national levels versus all available providers in 83421, making it a solid recommendation among providers with reviews. Fybercom is an option for 97.68% of the zip.
or call
The chart and table below show average customer ratings from customers in 83421, Idaho, and customers throughout the country.
Top Rated Internet Providers in 83421
Local, State, and National Ratings for all 83421 Internet Providers
| ISP / Tech Type | 83421 Overall | Idaho Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Fybercom | (0) | (1) | (2) | View Plans | ||
| Blackfoot | (0) | (1) | (1) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| Rise Broadband | (0) | (0) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Anthem Broadband | (0) | (0) | (0) | View Plans |
Based on 3 reviews from Idaho internet customers, Fybercom is the best internet service provider for 83421 residents. Fybercom was rated at an average of 5.00 out of 5 in our report for overall customer satisfaction. Blackfoot Communications wins for second-place in Idaho, with 3.00 out of 5 stars and 97.5% coverage in 83421.
At a national level, based on 334 national reviews for any of the providers listed above, Blackfoot Communications is rated higher than any other provider, with a rating of 3.00 out of 5.
Which Providers are Available at my Home in 83421?
a different provider.

Internet Availability Key
Speeds and coverage vary within the zip, 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 83421?
According to unbiased feedback from real internet customers in the zip, they reported being happiest with speeds provided by Fybercom. On the other hand, based on data provided by the internet providers to the FCC, Blackfoot 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 83421
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Blackfoot Communications | 1,000 Mbps | ||
| Anthem Broadband | 500 Mbps | ||
| Fybercom | 120 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| Rise Broadband | 50 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in 83421
| ISP / Tech Type | 83421 Speed | Idaho Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Fybercom | (0) | (1) | (2) | View Plans | ||
| Blackfoot | (0) | (1) | (1) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| Rise Broadband | (0) | (0) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Anthem Broadband | (0) | (0) | (0) | View Plans |
Based on data reported by 83421 ISPs to the FCC, the fastest speeds in the zip are available through Blackfoot Communications. The company offers speeds up to 1,000 Mbps in 83421. Therefore, the average customer can get up to 474 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the zip rated their satisfaction with internet speed highest with Fybercom. This indicates Fybercom reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in 83421?
Idaho customers rate Fybercom 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.
Fybercom received a local rating of 5.00 out of 5, which is higher than the average across all internet providers in the country. Blackfoot Communications is rated in second place for affordability by the company’s 83421 customers with an average price rating of 2.00 out of 5.
The chart and graph below show how customers in 83421, Idaho, and the United States rated the affordability of their internet service.
Rated Affordability in 83421
| ISP / Tech Type | 83421 Affordability | Idaho Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| Fybercom | (0) | (1) | (2) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Blackfoot | (0) | (1) | (1) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| Rise Broadband | (0) | (0) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Anthem Broadband | (0) | (0) | (0) | View Plans |
83421 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 zip 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 83421 below, including the metrics used and how 83421 compares to the rest of Idaho and nation.
| Metric
(hover for details)
|
83421 | Idaho | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in 83421 that have a Fiber internet connection available to their home. | 44.40% | 54.21% | 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. | 586 Mbps | 2,514 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 83421. | 5.2 | 6.5 | 6.8 |
| Average Household SizeA larger household size in a zip indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.9 | 2.8 | 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. | 8% | 13% | 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. | 97% | 96% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 94% | 91% | 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. | 52% | 72% | 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. | 54% | 73% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
83421 ISP Report Card & Digital Connectivity Index
The ISP Report Card in 83421 is C-, which is worse than other zip codes. The local demand for broadband internet connectivity in 83421 is high with a score of 54 / 100 in our Digital Connectivity Index. This means that internet service providers operating in 83421 have done a average job meeting the needs of its residents.
The 83421 ISP Report Card evaluates the zip on availability and speed metrics compared to other zip codes in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a zip 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.
94% of 83421 households have an internet connection despite having 97.68% availability. 52% of households have fiber, cable, or DSL, 26% have satellite, 3% are still on dial-up, and 0% 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 52% of households have a broadband connection such as fiber, cable or DSL available to their home, 54% subscribe to it. A low number of 83421 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 Zip Codes Compare to 83421?
- ISP Report Card: C
- Digital Connectivity Index: 66 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 77 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 56 / 100
How Much Speed does a 83421 Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in 83421 is 2.9, which is larger than the Idaho average of 2.8 and larger than the national average of 2.7. 83421's average household income is $80,462 which is higher than the Idaho average of $80,528 and higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.
83421 also has 15% of its population enrolled in school between the 6th grade and college level, this is lower than the Idaho average of 18%. Additionally, 8% of residents work from home, which is lower than the 13% of residents in Idaho who work from home. This and other factors you can see above show us that the community of 83421 has an average need for internet connectivity and speeds.
Compared to the rest of the country, 83421 households are more technology-engaged. 97% of households have some sort of computing device, 80% have desktops or laptops in the home, and 94% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in 83421?
Blackfoot Fiber in 83421, ID
Blackfoot Communications offers Fiber service to 44.4% of 83421 homes. Across the zip, Blackfoot Fiber has speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in 83421?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in 83421, ID.
Which DSL Internet Providers are Available in 83421?
Blackfoot DSL in 83421, ID
Blackfoot Communications offers DSL service to 97.5% of 83421 homes. Across the zip, Blackfoot DSL has speeds up to 37 Mbps, with speeds from 10 Mpbs up to 40 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 5.0, with an average of 4.6 Mbps throughout the zip. Blackfoot DSL is rated the same as other types of internet service available in 83421 from Blackfoot in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in 83421?
Fybercom Fixed Wireless in 83421, ID
Fybercom offers Fixed Wireless service to 97.7% of 83421 homes. Across the zip, Fybercom Fixed Wireless is the only type of service available from the company, with speeds up to 42 Mbps, with speeds from 40 Mpbs up to 120 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 10 and as high as 20, with an average of 18 Mbps throughout the zip.
Anthem Broadband Fixed Wireless in 83421, ID
Anthem Broadband offers Fixed Wireless service to 97.7% of 83421 homes. Across the zip, Anthem Broadband Fixed Wireless is the only type of service available from the company, with speeds up to 270 Mbps, with speeds from 50 Mpbs up to 500 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 10 and as high as 100, with an average of 56 Mbps throughout the zip.
Rise Broadband Fixed Wireless in 83421, ID
Rise Broadband offers Fixed Wireless service to 85.3% of 83421 homes. Across the zip, Rise Broadband Fixed Wireless is the only type of service available from the company, with speeds up to 38 Mbps, with speeds from 25 Mpbs up to 50 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 10, with an average of 7.7 Mbps throughout the zip.
T-Mobile Home Internet Fixed Wireless in 83421, ID
T-Mobile Home Internet offers Fixed Wireless service to 83.8% of 83421 homes. Across the zip, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 32 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 4.6 Mbps throughout the zip.
Which ISP Should You Choose in 83421?
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 83421 is Fybercom.
- The fastest internet provider should be Blackfoot Communications. Considering speed for the money and reliability in speeds, Fybercom may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in 83421 is Fybercom.
- HughesNet, Fybercom, Viasat, and Anthem Broadband has the broadest coverage in 83421, 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 83421 compare to other cities with a similar population?
To see how 83421 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 83421's C- ISP Report Card and 54 / 100 Digital Connectivity Index.
- ISP Report Card: B-
- Digital Connectivity Index: 64 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 7 / 100
- ISP Report Card: C
- Digital Connectivity Index: 32 / 100
(1)