Coverage · ZIP 92627 · Orange County
Internet providers in Costa Mesa, CA.
There are 8 internet providers reporting service in Costa Mesa, CA (ZIP 92627) in FCC National Broadband Map filings (FCC filings as of Dec 31, 2024), including AT&T Fiber, Spectrum, and Verizon 5G Home. The fastest advertised download speed is 5 Gbps from AT&T Fiber. 1 of them offers fiber. Availability is reported per census block, so 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 Costa Mesa, CA (92627)
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.
| # | Provider | Technology | Max download | Max upload | Coverage |
|---|---|---|---|---|---|
| 01 | AT&T Fiber by AT&T |
FiberLow latency | 5 Gbps | 5 Gbps | 64% of blocks |
| 02 | Spectrum by Charter |
CableLow latency | 1 Gbps | 35 Mbps | 88% of blocks |
| 03 | Verizon 5G Home by Verizon |
5G HomeLow latency | 300 Mbps | 30 Mbps | 68% of blocks |
| 04 | T-Mobile Home Internet by T-Mobile |
5G HomeLow latency | 100 Mbps | 20 Mbps | 86% of blocks |
| 05 | AT&T Internet Air by AT&T |
5G HomeLow latency | 100 Mbps | 20 Mbps | 81% of blocks |
| 06 | Cosmo by Cosmo Network Solutions |
Fixed WirelessLow latency | 250 Mbps | 100 Mbps | 24% of blocks |
| 07 | FrontierOneClickAway partner by Frontier Communications |
DSLLow latency | 10 Mbps | 1 Mbps | 0% of blocks |
| 08 | AT&T Internet by AT&T |
DSLLow latency | 100 Mbps | 20 Mbps | 79% 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 Costa Mesa, CA, answered from the filings
How many internet providers serve Costa Mesa, CA?
FCC filings list 8 internet providers reporting residential service in ZIP 92627, including AT&T Fiber, Spectrum, and Verizon 5G Home. Providers report coverage by census block, so not every provider reaches every address — a OneClickAway agent confirms which ones reach yours before you order.
What is the fastest internet in 92627?
AT&T Fiber reports the highest maximum advertised download speed in Costa Mesa, CA at up to 5 Gbps (up to 5 Gbps upload). Actual speeds depend on the plan sold at your address; these are provider-reported maximums, not guarantees.
Is fiber internet available in Costa Mesa, CA?
AT&T Fiber reports fiber service in ZIP 92627. Fiber typically offers symmetrical speeds and lower latency; whether it reaches your specific address is confirmed by your agent before ordering.
Which of these providers can OneClickAway order for me?
Frontier is a OneClickAway partner brand in this ZIP, ordered at authorized-distributor rates. OneClickAway is an authorized agent for Xfinity, Frontier, Kinetic by Windstream, Brightspeed, and EarthLink; for other brands your agent still confirms availability and walks you through the order. Call 888-889-4095 (Mon–Fri 9–6 PT).
One call, no forms
Confirm what's live at your address in 92627.
Your agent checks the exact address with the carriers, quotes real pricing the same business day, and places the order. Monday – Friday, 9 AM – 6 PM (PT).