Coverage · ZIP 83321 · Twin Falls County
Internet providers in Castleford, ID.
There are 6 internet providers reporting service in Castleford, ID (ZIP 83321) in FCC National Broadband Map filings (FCC filings as of Dec 31, 2024), including Verizon 5G Home, Truleap Technologies, and White Cloud Communications. The fastest advertised download speed is 1 Gbps from Truleap Technologies. No provider reports fiber here yet; the cable, 5G home, fixed-wireless, or DSL options are listed below. These records are aggregated to ZIP areas. Call (888) 889-4095 and your OneClickAway agent confirms which plans are actually orderable at your exact address — with current pricing — before anything is ordered.
Ranked · fiber first, then cable, 5G home, fixed wireless, DSL
Every provider reporting service in Castleford, ID (83321)
Maximum advertised speeds from FCC National Broadband Map filings (FCC filings as of Dec 31, 2024). Coverage is the share of census blocks in this ZIP where the provider reports service. Prices are not shown — they change by address and promotion, so your agent quotes them live.
Providers are grouped by technology. Within a group, OneClickAway partners appear first in our listed partner order. We may receive compensation when you order through us. Block coverage is not the percentage of homes served.
| # | Provider | Technology | Max download | Max upload | Coverage |
|---|---|---|---|---|---|
| 01 | Verizon 5G HomeOneClickAway partner by Verizon |
5G HomeLow latency | 300 Mbps | 20 Mbps | 16% of blocks |
| 02 | Truleap Technologies | 5G HomeLow latency | 1 Gbps | 1 Gbps | 1% of blocks |
| 03 | White Cloud Communications | 5G HomeLow latency | 200 Mbps | 50 Mbps | 39% of blocks |
| 04 | T-Mobile Home Internet by T-Mobile |
5G HomeLow latency | 100 Mbps | 20 Mbps | 6% of blocks |
| 05 | Anthem by Anthem Broadband |
Fixed WirelessLow latency | 100 Mbps | 20 Mbps | 34% of blocks |
| 06 | CenturyLink by Lumen |
DSLLow latency | 40 Mbps | 3 Mbps | 35% of blocks |
Satellite service is filed for essentially every U.S. address and is listed separately: Starlink up to 280 Mbps · Viasat up to 150 Mbps · HughesNet up to 100 Mbps.
Common questions
Internet in Castleford, ID, answered from the filings
How many internet providers serve Castleford, ID?
FCC filings list 6 internet providers reporting residential service in ZIP 83321, including Verizon 5G Home, Truleap Technologies, and White Cloud Communications. This is an aggregated ZIP-area comparison, so not every provider reaches every address — a OneClickAway agent confirms which ones reach yours before you order.
What is the fastest internet in 83321?
Truleap Technologies reports the highest maximum advertised download speed in Castleford, ID at up to 1 Gbps (up to 1 Gbps upload). Actual speeds depend on the plan sold at your address; these are provider-reported maximums, not guarantees.
Is fiber internet available in Castleford, ID?
No provider reports fiber in ZIP 83321 in this dataset. The available technologies are 5G Home, Fixed Wireless, DSL. Your agent can also check satellite options if wired service does not reach your address.
Which of these providers can OneClickAway order for me?
Verizon 5G Home is a OneClickAway partner brand in this ZIP. Eligible plans and current charges need confirmation. OneClickAway is authorized to sell Xfinity, Frontier, Kinetic by Windstream, Brightspeed, EarthLink, Spectrum, AT&T, Verizon, Optimum, Astound Broadband, DIRECTV, ADT, and Vivint; other brands are listed for comparison and may require ordering directly. Call (888) 889-4095 (Mon–Fri 9–6 PT).
Nearby ZIP codes in Twin Falls County
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Confirm what's live at your address in 83321.
Your agent checks partner plans, current pricing, and installation options at your exact address. You decide whether to order. Monday – Friday, 9 AM – 6 PM (PT).