
FirstLight Fiber NB
- Website: https://www.firstlight.net/ Domain since 1997 (29y)
At a glance
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 1,511 · 98.4%
- DISCONN 24 · 1.6%
- RESERVED 1 · 0.1%
Inventory age buckets
- 3–12 months 6 · 0.4%
- 1–2 years 4 · 0.2%
- 2–5 years 182 · 11.0%
- 5+ years 1,319 · 79.9%
Ages are measured from each number's last change in the Somos registry — that's the most recent activation, transfer, or status move. Not necessarily the date this RespOrg originally acquired it.
Request a manual history review of a specific toll-free number →
Trajectory
Show monthly numbers
| Month | Inventory | Acquired | Harvested | Lost | From spare | To spare |
|---|---|---|---|---|---|---|
| 2018-03 | 3,071 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 3,085 | 69 | 0 | 55 | 16 | 5 |
| 2018-09 | 3,055 | 39 | 0 | 69 | 4 | 5 |
| 2018-10 | 3,055 | 15 | 0 | 15 | 1 | 1 |
| 2018-11 | 3,039 | 4 | 0 | 20 | 0 | 0 |
| 2018-12 | 3,048 | 17 | 0 | 8 | 8 | 0 |
| 2019-01 | 3,041 | 5 | 0 | 12 | 1 | 0 |
| 2019-02 | 3,023 | 9 | 0 | 27 | 1 | 0 |
| 2019-03 | 3,033 | 19 | 0 | 9 | 0 | 0 |
| 2019-04 | 3,035 | 17 | 0 | 15 | 0 | 3 |
| 2019-05 | 3,004 | 7 | 0 | 38 | 2 | 0 |
| 2019-06 | 3,016 | 22 | 0 | 10 | 11 | 0 |
| 2019-08 | 2,750 | 33 | 0 | 299 | 2 | 251 |
| 2019-09 | 2,997 | 264 | 0 | 17 | 251 | 0 |
| 2019-10 | 2,987 | 6 | 0 | 16 | 6 | 0 |
| 2019-11 | 2,908 | 19 | 0 | 98 | 0 | 8 |
| 2019-12 | 2,887 | 10 | 0 | 31 | 1 | 0 |
| 2020-01 | 2,868 | 3 | 0 | 22 | 2 | 1 |
| 2020-02 | 2,867 | 9 | 1 | 10 | 0 | 2 |
| 2020-03 | 2,866 | 7 | 0 | 8 | 1 | 0 |
| 2020-04 | 2,860 | 9 | 0 | 15 | 5 | 0 |
| 2020-05 | 2,858 | 19 | 0 | 21 | 15 | 2 |
| 2020-06 | 2,847 | 4 | 0 | 15 | 0 | 0 |
| 2020-07 | 2,842 | 9 | 0 | 14 | 7 | 0 |
| 2020-08 | 2,829 | 5 | 0 | 18 | 1 | 0 |
| 2020-09 | 2,790 | 3 | 0 | 42 | 2 | 0 |
| 2020-10 | 2,787 | 6 | 0 | 9 | 2 | 0 |
| 2020-11 | 2,760 | 14 | 0 | 41 | 0 | 0 |
| 2020-12 | 2,750 | 0 | 0 | 10 | 0 | 0 |
| 2021-01 | 2,736 | 5 | 1 | 19 | 1 | 0 |
| 2021-02 | 2,702 | 13 | 0 | 47 | 1 | 0 |
| 2021-03 | 2,691 | 8 | 0 | 19 | 0 | 0 |
| 2021-04 | 2,664 | 13 | 0 | 40 | 2 | 0 |
| 2021-05 | 2,663 | 16 | 0 | 17 | 0 | 0 |
| 2022-05 | 2,466 | 96 | 0 | 293 | 6 | 37 |
| 2022-06 | 2,456 | 0 | 0 | 10 | 0 | 0 |
| 2022-07 | 2,393 | 0 | 0 | 63 | 0 | 0 |
| 2022-08 | 2,378 | 0 | 0 | 15 | 0 | 0 |
| 2022-09 | 2,333 | 0 | 0 | 45 | 0 | 0 |
| 2022-10 | 2,317 | 0 | 0 | 16 | 0 | 0 |
| 2022-11 | 2,302 | 0 | 0 | 15 | 0 | 0 |
| 2022-12 | 2,275 | 0 | 0 | 27 | 0 | 0 |
| 2023-01 | 2,238 | 0 | 0 | 37 | 0 | 0 |
| 2023-02 | 2,219 | 0 | 0 | 19 | 0 | 0 |
| 2023-03 | 2,209 | 0 | 0 | 10 | 0 | 0 |
| 2023-04 | 2,193 | 0 | 0 | 16 | 0 | 0 |
| 2023-05 | 2,180 | 0 | 0 | 13 | 0 | 0 |
| 2023-06 | 2,146 | 0 | 0 | 34 | 0 | 0 |
| 2023-07 | 2,393 | 247 | 1 | 0 | 15 | 0 |
| 2023-08 | 2,118 | 0 | 0 | 275 | 0 | 22 |
| 2023-09 | 2,097 | 0 | 0 | 21 | 0 | 0 |
| 2023-10 | 2,007 | 0 | 0 | 90 | 0 | 0 |
| 2023-11 | 1,984 | 4 | 0 | 27 | 4 | 0 |
| 2023-12 | 1,784 | 0 | 0 | 200 | 0 | 29 |
| 2024-02 | 1,904 | 120 | 2 | 0 | 11 | 0 |
| 2024-03 | 1,889 | 0 | 0 | 15 | 0 | 0 |
| 2024-04 | 1,887 | 0 | 0 | 2 | 0 | 0 |
| 2024-05 | 1,868 | 0 | 0 | 19 | 0 | 0 |
| 2024-06 | 1,859 | 0 | 0 | 9 | 0 | 0 |
| 2024-07 | 1,846 | 0 | 0 | 13 | 0 | 0 |
| 2024-08 | 1,837 | 1 | 0 | 10 | 1 | 0 |
| 2024-09 | 1,823 | 0 | 0 | 14 | 0 | 0 |
| 2024-10 | 1,811 | 0 | 0 | 12 | 0 | 0 |
| 2024-11 | 1,803 | 0 | 0 | 8 | 0 | 0 |
| 2024-12 | 1,791 | 0 | 0 | 12 | 0 | 0 |
| 2025-01 | 1,759 | 0 | 0 | 32 | 0 | 0 |
| 2025-02 | 1,755 | 0 | 0 | 4 | 0 | 0 |
| 2025-03 | 1,755 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 1,746 | 0 | 0 | 9 | 0 | 0 |
| 2025-05 | 1,707 | 0 | 0 | 39 | 0 | 0 |
| 2025-06 | 1,699 | 0 | 0 | 8 | 0 | 0 |
| 2025-07 | 1,692 | 0 | 0 | 7 | 0 | 0 |
| 2025-08 | 1,687 | 0 | 0 | 5 | 0 | 0 |
| 2025-09 | 1,599 | 0 | 0 | 88 | 0 | 0 |
| 2025-10 | 1,590 | 0 | 0 | 9 | 0 | 0 |
| 2025-11 | 1,585 | 0 | 0 | 5 | 0 | 0 |
| 2025-12 | 1,582 | 0 | 0 | 3 | 0 | 0 |
| 2026-01 | 1,575 | 0 | 0 | 7 | 0 | 0 |
| 2026-02 | 1,566 | 0 | 0 | 9 | 0 | 0 |
| 2026-03 | 1,558 | 0 | 0 | 8 | 0 | 0 |
| 2026-04 | 1,550 | 1 | 0 | 9 | 1 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 321.0 |
| Harvested from disconnect pool | 6.0 |
| First assigned from spare pool | 51.0 |
| Reactivated own disconnects | 27.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 2,392.0 |
| Standard disconnect aging process (3+ months in DISC) | 233 |
| Abbreviated disconnect period (1–2 months in DISC) | 316 |
| Released directly to spare pool | 116.0 |
Of the 549 disconnect episodes this RespOrg has sent through aging, 58% were abbreviated (1–2 snapshots in DISC status).
Top vanity holdings
Summary
Headquartered in Albany, New York, FirstLight provides fiber-optic data, Internet, data center, cloud, unified communications, and managed services to enterprise and carrier customers throughout the Northeast and mid-Atlantic.
About FirstLight Fiber
FirstLight Fiber is a provider of fiber-optic data, internet, data center, cloud, unified communications, and voice services to enterprise and carrier customers in the Northeast and Mid-Atlantic US, operating a 25,000+ route mile network serving over 168,000 locations.[1][3] It is owned by Antin Infrastructure Partners and has been in the fiber and communications industry for over 25 years, with headquarters in Albany, New York.[1][3][6] The company is privately held, with no public size metrics beyond network scale.
Affiliations: Owned by Antin Infrastructure Partners.[1]
AI-generated summary (confidence: medium), last updated 2026-04-30. Verify against primary sources before quoting.
Recent news (1)
-
FirstLight Chosen by Major Hyperscaler to Deliver 280-Mile AI-Ready Fiber Network Across Pennsylvania 2025-09-18
FirstLight, a telecommunications provider, has completed and provisioned a 280-mile, high-capacity, dedicated network across Eastern Pennsylvania, connecting strategic AI and data center sites for a major hyperscaler. This network is designed to support the hyperscaler's AI and data center operations in the region.