Seattle residential proxies by ISP: Comcast and CenturyLink

Which internet providers serve Seattle homes?

Out of 401,923 residential units in Seattle, 95.5% can get Comcast, 77.7% CenturyLink and 66.4% AT&T, per the FCC National Broadband Map. The table lists all 7 non-satellite providers in the FCC's top ten for the city. T-Mobile Home Internet (83.5%) and Verizon 5G Home (76.5%) are mostly 5G fixed wireless home internet, whose IPs share the carrier's mobile network.

What broadband technology do Seattle homes use?

Fiber reaches 77.1% of Seattle's residential units, 7th of the 45 cities we track and above the 62.2% median. Cable is almost everywhere (97.7%), so a cable IP is the most common home connection type. Copper DSL remains at 25.4%. Gigabit service (1,000/100 Mbps) is available to 95.7% of units, 9th of 45. Access type matters for testing: fiber and cable homes usually get their own public IPv4 address, while fixed wireless users often share one.

How do I target a Seattle ISP in my proxy username?

Start from the city: USERNAME-country-us-state-wa-city-seattle asks for any home IP in Seattle. Then add the ASN of the provider you need:

• USERNAME-country-us-state-wa-city-seattle-asn-7922: Comcast in Seattle.
• USERNAME-country-us-state-wa-city-seattle-asn-209: CenturyLink in Seattle.
• USERNAME-country-us-state-wa-city-seattle-asn-7018: AT&T in Seattle.
• USERNAME-country-us-zip-98103-asn-7922: Comcast in ZIP 98103 (Fremont).
• USERNAME-country-us-state-wa-city-seattle-asn-209-session-seattl1-ttl-20: one CenturyLink IP kept for up to 20 minutes.

Use gw.broadbandproxies.com, port 7777 for HTTP and HTTPS or 7778 for SOCKS5. If a request finds no IP online, drop the ZIP first, then the city, and keep the ASN.

Seattle: Comcast, Quantum Fiber and Astound

Comcast reports service to 95.5% of Seattle's residential units, Lumen (Quantum Fiber, now owned by AT&T) to 77.7%, and Astound's former Wave network (AS11404) to 42.6%. Google LLC, which runs Google Fiber and the Webpass building service, shows 6.2%. Gigabit-capable service reaches 95.7% of units. Washington State's My Health My Data Act protects consumer health data, a narrower law than a comprehensive privacy statute.

Local program: Seattle IT Digital Equity program, guided by the Internet for All Resolution 31956 (July 2020).

Which WA rules matter for checks from Seattle?

Washington had no comprehensive consumer privacy law as of October 2026; the closest is the Washington My Health My Data Act (2023), which covers consumer health data. Prices shown to Seattle shoppers may add sales tax at checkout: the combined state and local rate is 10.55% since 2026-10-01, so compare pre-tax prices when you check retail pages from a Seattle IP. Seattle is on Pacific Time: schedule checks of time-limited offers and local ads in that zone. Whatever the city, our acceptable use policy applies; blocked targets: Banking, government and payment-portal sites, plus SMTP (email-sending) ports 25, 465 and 587.