Full Service Network
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Full Service Network Full Service Network (FSN) is a privately held facility-based telecommunications services carrier and competitive local exchange carrier (CLEC) providing high-speed internet, broadband phone service, and related offerings. Founded in 1989 b… read more ↓
Transfer network
How toll free numbers move between Full Service Network (FC) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Full Service Network is highlighted. Open the full interactive map →
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- Website: https://fullservicenetwork.com/ Domain since 2001 (24y)
- Phone: (412) 745-9000 via web search: fsntele.com
At a glance
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 489, 99.8%
- RESERVED 1, 0.2%
Inventory age buckets
- 1–3 months 8, 1.3%
- 3–12 months 57, 9.6%
- 1–2 years 47, 7.9%
- 2–5 years 116, 19.5%
- 5+ years 261, 43.9%
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.
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Trajectory
Show monthly numbers
| Month | Inventory | Acquired | Harvested | Lost | From spare | To spare |
|---|---|---|---|---|---|---|
| 2018-03 | 306 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 318 | 16 | 0 | 4 | 6 | 0 |
| 2018-09 | 338 | 24 | 0 | 4 | 2 | 0 |
| 2018-10 | 343 | 5 | 0 | 0 | 1 | 0 |
| 2018-11 | 359 | 16 | 0 | 0 | 5 | 0 |
| 2018-12 | 356 | 1 | 0 | 4 | 0 | 0 |
| 2019-01 | 363 | 7 | 0 | 0 | 1 | 0 |
| 2019-02 | 370 | 8 | 0 | 1 | 0 | 0 |
| 2019-03 | 375 | 5 | 0 | 0 | 1 | 0 |
| 2019-04 | 377 | 5 | 0 | 3 | 0 | 0 |
| 2019-05 | 379 | 8 | 0 | 6 | 4 | 0 |
| 2019-06 | 384 | 5 | 0 | 0 | 0 | 0 |
| 2019-08 | 378 | 10 | 0 | 16 | 1 | 15 |
| 2019-09 | 395 | 19 | 0 | 2 | 15 | 1 |
| 2019-10 | 397 | 7 | 0 | 5 | 0 | 0 |
| 2019-11 | 403 | 8 | 0 | 2 | 0 | 0 |
| 2019-12 | 408 | 5 | 0 | 0 | 0 | 0 |
| 2020-01 | 411 | 4 | 0 | 1 | 0 | 0 |
| 2020-02 | 409 | 1 | 0 | 3 | 0 | 0 |
| 2020-03 | 408 | 1 | 0 | 2 | 0 | 0 |
| 2020-04 | 414 | 7 | 0 | 1 | 4 | 0 |
| 2020-05 | 412 | 1 | 0 | 3 | 0 | 0 |
| 2020-06 | 414 | 3 | 0 | 1 | 1 | 0 |
| 2020-07 | 410 | 2 | 0 | 6 | 0 | 0 |
| 2020-08 | 408 | 2 | 0 | 4 | 1 | 0 |
| 2020-09 | 411 | 7 | 0 | 4 | 0 | 0 |
| 2020-10 | 411 | 0 | 0 | 0 | 0 | 0 |
| 2020-11 | 414 | 6 | 0 | 3 | 0 | 0 |
| 2020-12 | 418 | 8 | 0 | 4 | 4 | 0 |
| 2021-01 | 420 | 5 | 0 | 3 | 0 | 0 |
| 2021-02 | 425 | 6 | 0 | 1 | 0 | 0 |
| 2021-03 | 425 | 4 | 0 | 4 | 4 | 0 |
| 2021-04 | 425 | 2 | 0 | 2 | 0 | 0 |
| 2021-05 | 426 | 3 | 0 | 2 | 1 | 0 |
| 2022-05 | 458 | 55 | 1 | 23 | 10 | 0 |
| 2022-06 | 459 | 8 | 0 | 7 | 4 | 5 |
| 2022-07 | 459 | 6 | 0 | 6 | 0 | 2 |
| 2022-08 | 456 | 1 | 0 | 4 | 0 | 3 |
| 2022-09 | 461 | 5 | 0 | 0 | 1 | 0 |
| 2022-10 | 461 | 2 | 0 | 2 | 1 | 0 |
| 2022-11 | 461 | 1 | 0 | 1 | 0 | 0 |
| 2022-12 | 459 | 2 | 0 | 4 | 1 | 0 |
| 2023-01 | 464 | 9 | 0 | 4 | 7 | 2 |
| 2023-02 | 472 | 10 | 0 | 2 | 6 | 1 |
| 2023-03 | 477 | 8 | 0 | 3 | 6 | 2 |
| 2023-04 | 467 | 1 | 0 | 11 | 0 | 6 |
| 2023-05 | 467 | 6 | 0 | 6 | 1 | 1 |
| 2023-06 | 467 | 3 | 0 | 3 | 1 | 1 |
| 2023-07 | 459 | 25 | 1 | 33 | 5 | 10 |
| 2023-08 | 464 | 34 | 0 | 29 | 9 | 6 |
| 2023-09 | 462 | 1 | 0 | 3 | 0 | 0 |
| 2023-10 | 457 | 1 | 0 | 6 | 0 | 0 |
| 2023-11 | 461 | 5 | 0 | 1 | 0 | 0 |
| 2023-12 | 477 | 45 | 0 | 29 | 10 | 2 |
| 2024-02 | 459 | 20 | 1 | 38 | 0 | 11 |
| 2024-03 | 460 | 1 | 0 | 0 | 1 | 0 |
| 2024-04 | 471 | 13 | 0 | 2 | 10 | 0 |
| 2024-05 | 469 | 1 | 0 | 3 | 0 | 0 |
| 2024-06 | 473 | 4 | 0 | 0 | 1 | 0 |
| 2024-07 | 476 | 7 | 0 | 4 | 0 | 0 |
| 2024-08 | 480 | 5 | 0 | 1 | 0 | 0 |
| 2024-09 | 484 | 5 | 0 | 1 | 0 | 0 |
| 2024-10 | 484 | 2 | 0 | 2 | 0 | 0 |
| 2024-11 | 488 | 7 | 0 | 3 | 3 | 0 |
| 2024-12 | 488 | 1 | 0 | 1 | 0 | 0 |
| 2025-01 | 480 | 5 | 0 | 13 | 2 | 0 |
| 2025-02 | 477 | 0 | 0 | 3 | 0 | 0 |
| 2025-03 | 477 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 481 | 6 | 0 | 2 | 2 | 0 |
| 2025-05 | 482 | 5 | 0 | 4 | 0 | 0 |
| 2025-06 | 487 | 5 | 0 | 0 | 0 | 0 |
| 2025-07 | 491 | 6 | 0 | 2 | 0 | 0 |
| 2025-08 | 492 | 1 | 0 | 0 | 0 | 0 |
| 2025-09 | 493 | 2 | 0 | 1 | 0 | 0 |
| 2025-10 | 492 | 3 | 0 | 4 | 0 | 0 |
| 2025-11 | 513 | 22 | 0 | 1 | 0 | 0 |
| 2025-12 | 505 | 1 | 0 | 9 | 0 | 0 |
| 2026-01 | 507 | 3 | 0 | 1 | 0 | 0 |
| 2026-02 | 507 | 4 | 0 | 4 | 0 | 0 |
| 2026-03 | 510 | 3 | 0 | 0 | 1 | 0 |
| 2026-04 | 505 | 3 | 0 | 8 | 0 | 0 |
| 2026-05 | 510 | 6 | 0 | 1 | 2 | 0 |
| 2026-06 | 513 | 4 | 0 | 1 | 0 | 0 |
| 2026-07 | 510 | 2 | 0 | 5 | 0 | 0 |
| 2026-08 | 504 | 3 | 0 | 9 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 902.0 |
| Harvested from disconnect pool | 6.0 |
| First assigned from spare pool | 270.0 |
| Reactivated own disconnects | 0.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 969.0 |
| Entered multi-month disconnect (aging) | 0.0 |
| Released directly to spare pool | 204.0 |
Summary
A privately held telecommunications services carrier based in and servicing Pittsburgh, PA.
About Full Service Network
Full Service Network (FSN) is a privately held facility-based telecommunications services carrier and competitive local exchange carrier (CLEC) providing high-speed internet, broadband phone service, and related offerings. Founded in 1989 by David E. Schwencke, it is headquartered at 600 Grant St Ste 3075 in Pittsburgh, Pennsylvania, United States, with approximately 75 employees and reported revenue of $17.6 million. No parent or holding company is mentioned in available sources.[2][3][5][6]
Toll free / RespOrg activity: No specific news or details found regarding toll-free or RespOrg activity.
AI-generated summary (confidence: medium), last updated 2026-04-30. Verify against primary sources before quoting.
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