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Grand Circle Travel Grand Circle Travel is a travel company specializing in international trips, river cruises, small ship cruises, and land tours primarily for Americans aged 50 and older, with a focus on solo-friendly travel and culturally immersive experien… read more ↓
Transfer network
How toll free numbers move between Grand Circle Travel (GK) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Grand Circle Travel is highlighted. Open the full interactive map →
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- Website: https://www.oattravel.com/ Domain since 1998 (28y)
- Phone: (800) 221-2610 via web search: gct.com
At a glance
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 47, 100.0%
Inventory age buckets
- 3–12 months 6, 10.9%
- 1–2 years 2, 3.6%
- 2–5 years 16, 29.1%
- 5+ years 23, 41.8%
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 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2018-09 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2018-10 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2018-11 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2018-12 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2019-01 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2019-02 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2019-03 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2019-04 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2019-05 | 62 | 0 | 0 | 1 | 0 | 0 |
| 2019-06 | 62 | 0 | 0 | 0 | 0 | 0 |
| 2019-08 | 62 | 0 | 0 | 0 | 0 | 0 |
| 2019-09 | 62 | 0 | 0 | 0 | 0 | 0 |
| 2019-10 | 62 | 0 | 0 | 0 | 0 | 0 |
| 2019-11 | 62 | 0 | 0 | 0 | 0 | 0 |
| 2019-12 | 62 | 0 | 0 | 0 | 0 | 0 |
| 2020-01 | 62 | 0 | 0 | 0 | 0 | 0 |
| 2020-02 | 63 | 1 | 0 | 0 | 0 | 0 |
| 2020-03 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-04 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-05 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-06 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-07 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-08 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-09 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-10 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-11 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2020-12 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2021-01 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2021-02 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2021-03 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2021-04 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2021-05 | 63 | 0 | 0 | 0 | 0 | 0 |
| 2022-05 | 64 | 1 | 0 | 0 | 0 | 0 |
| 2022-06 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2022-07 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2022-08 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2022-09 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2022-10 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2022-11 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2022-12 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2023-01 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2023-02 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2023-03 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2023-04 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2023-05 | 64 | 0 | 0 | 0 | 0 | 0 |
| 2023-06 | 65 | 1 | 0 | 0 | 1 | 0 |
| 2023-07 | 64 | 0 | 0 | 1 | 0 | 1 |
| 2023-08 | 65 | 1 | 0 | 0 | 1 | 0 |
| 2023-09 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2023-10 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2023-11 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2023-12 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-02 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-03 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-04 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-05 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-06 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-07 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-08 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-09 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-10 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-11 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2024-12 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-01 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-02 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-03 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-05 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-06 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-07 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-08 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-09 | 65 | 0 | 0 | 0 | 0 | 0 |
| 2025-10 | 62 | 0 | 0 | 3 | 0 | 0 |
| 2025-11 | 61 | 0 | 0 | 1 | 0 | 0 |
| 2025-12 | 61 | 0 | 0 | 0 | 0 | 0 |
| 2026-01 | 61 | 0 | 0 | 0 | 0 | 0 |
| 2026-02 | 61 | 0 | 0 | 0 | 0 | 0 |
| 2026-03 | 61 | 0 | 0 | 0 | 0 | 0 |
| 2026-04 | 61 | 0 | 0 | 0 | 0 | 0 |
| 2026-05 | 61 | 0 | 0 | 0 | 0 | 0 |
| 2026-06 | 61 | 0 | 0 | 0 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 4.0 |
| Harvested from disconnect pool | 0.0 |
| First assigned from spare pool | 4.0 |
| Reactivated own disconnects | 0.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 10.0 |
| Entered multi-month disconnect (aging) | 0.0 |
| Released directly to spare pool | 2.0 |
Summary
A corporate travel client.
About Grand Circle Travel
Grand Circle Travel is a travel company specializing in international trips, river cruises, small ship cruises, and land tours primarily for Americans aged 50 and older, with a focus on solo-friendly travel and culturally immersive experiences.[1][2][4] Founded in 1958 to serve AARP members, it is headquartered at 347 Congress St., Boston, MA, and operates as a private company with no disclosed parent or holding company or employee count.[1][3] The company is known for all-inclusive trips featuring comfortable accommodations, guided tours, and educational 'Discovery Series' events.[2]
Toll free / RespOrg activity: No information found on toll-free, RespOrg activity, or related telecommunications involvement for Grand Circle Travel. Sources confirm it is a travel operator, not a RespOrg.
AI-generated summary (confidence: low), last updated 2026-04-30. Verify against primary sources before quoting.
Top vanity holdings
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with Grand Circle Travel