Ziply Fiber says it has completed a redundant fibre ring in Quincy, Washington, and separately become an on-net carrier at Csquare SEA1 in Lynnwood. The Quincy announcement describes a loop intended to provide diverse, high-capacity connectivity across that data-centre market; the Lynnwood announcement gives SEA1 tenants direct access to Ziply’s network. The two developments are separate: the announcements do not establish a fibre connection between Quincy, Lynnwood or Seattle.
What Ziply announced in Washington
| Development | Location and date | What the announcement says |
|---|---|---|
| Fibre ring completion | Quincy, Washington; announced September 15, 2026 | Ziply describes a fully redundant loop designed to provide diverse, high-capacity connectivity throughout the Quincy data-centre market. |
| On-net carrier presence | Csquare SEA1, Lynnwood, Washington; listed by Ziply on September 15, 2026 | A report published October 2 says tenants at SEA1 can access Ziply’s network directly through its on-net presence. |
These are complementary additions to Ziply’s Washington data-centre footprint, not one continuous project. The Quincy announcement concerns a local fibre loop. The Lynnwood item concerns carrier availability at a named campus. The available announcements do not document a physical route joining the sites.
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What a redundant fibre ring means for Quincy
A fibre ring is a looped network route. If a route segment is interrupted, a ring design can provide another direction for traffic, depending on the network architecture and how the service is configured. Ziply says the Quincy installation is a fully redundant loop with diverse connectivity, but that wording describes the intended design and purpose—not independently measured uptime or a guarantee that every customer connection will remain unaffected by an outage.
Ziply positions the ring as high-capacity infrastructure for the Quincy data-centre market. The announcement does not publish available customer capacity, utilization, latency, service-level commitments, or an independent audit of the physical routes. Businesses evaluating resilience should therefore distinguish the announced route design from verified end-to-end diversity for a particular service.
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What on-net at Csquare SEA1 means
An on-net carrier presence means a carrier has network infrastructure at, or directly serving, a facility, so tenants can obtain access without treating the carrier as an off-net extension from a distant handoff point. Ziply’s reported presence at Csquare SEA1 gives tenants direct access to its network. The announcement does not specify which products, rates, capacities, lead times, or service-level terms are currently orderable at the campus.
On-net status at SEA1 should not be read as evidence that Ziply’s Quincy ring serves the Lynnwood facility. Nor does a campus presence alone establish that a particular tenant has a diverse path: the physical route, building entrance, meet-me arrangement and service handoff still matter.
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Why Quincy is part of Ziply’s data-centre strategy
Ziply attributes Quincy’s data-centre growth to abundant hydroelectric power, a cool climate and direct access to high-capacity fibre infrastructure. These are the company’s stated factors, rather than an independently quantified ranking or market analysis. Its September 2026 release describes the region as fast-growing but does not provide a numerical market statistic to measure that claim.
Regional context: earlier services in Tukwila and Seattle
In a January 23, 2024 announcement, Ziply described services at Sabey’s Tukwila campus that included 100G and 400G wavelengths, 10G and 100G IP transit, 10G Ethernet and dark fibre. It also said a fibre ring connected Sabey Tukwila with the EdgeConneX Seattle campus using diverse paths and redundant entrances to both campuses.
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That earlier release illustrates the kinds of enterprise connectivity involved: wavelength transport, IP transit, Ethernet and dark fibre. It is historical service information, not confirmation that each service remains available to order today, and it does not establish the current service portfolio at Quincy or Csquare SEA1.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What data-centre customers should verify
The announcements establish selected network-presence and route-design claims, but not a complete service offer or a like-for-like carrier comparison. Before choosing a provider for a specific campus, an enterprise buyer should confirm:
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- 24K gold-plated connectors: Corrosion resistant gold plating keeps connectors clean. And because these cables are fiber optic, they provide 100 % signal transmission with 0 % loss
- No risk: 36 months manufacturer warranty
- Campus availability: whether the exact building and suite are on-net and what installation work is required.
- Physical route diversity: whether paths are genuinely separate end to end, including entrances and upstream routes, and what happens during a single-route failure.
- Service and capacity: whether the required wavelength, IP transit, Ethernet or dark-fibre service is offered at the site, at the required rate and with sufficient capacity.
- Commercial terms: current pricing, delivery timelines, service-level commitments and any relevant redundancy options.
Ziply’s releases are company statements. They do not independently verify route topology, customer-specific availability, measured performance or current commercial terms. Those details need confirmation for the exact facility and service being considered.
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