Twilio
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Twilio (RespOrg code TW) controls 5,593,525 US toll free numbers as of October 2026. That is up 4,888,122 (693%) since March 2018. Resporgs.com files it under Messaging. Based in San Francisco, CA. More about Twilio ↓
Transfer network
How toll free numbers move between Twilio (TW) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Twilio is highlighted. Open the full interactive map →
Scroll to zoom, drag to pan, drag a node to reposition.
- Website: https://www.twilio.com/ Domain since 2007 (18y)
- Phone: (415) 227-9968 via web search: liveagent.com
At a glance
#109 of 207 oldest
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 5,593,505, 100.0%
- UNAVAIL 3, 0.0%
- RESERVED 3, 0.0%
Inventory age buckets
- < 1 month 3, 0.0%
- 1–3 months 299,440, 5.1%
- 3–12 months 1,217,320, 20.6%
- 1–2 years 552,863, 9.4%
- 2–5 years 2,856,860, 48.3%
- 5+ years 667,019, 11.3%
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 | 705,403 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 813,984 | 124,870 | 102 | 16,289 | 80,886 | 0 |
| 2018-09 | 964,579 | 153,680 | 219 | 3,085 | 45,708 | 0 |
| 2018-10 | 965,435 | 4,680 | 1 | 3,824 | 32 | 0 |
| 2018-11 | 984,609 | 19,593 | 0 | 419 | 13,317 | 0 |
| 2018-12 | 1,006,511 | 25,207 | 13 | 3,305 | 16,872 | 0 |
| 2019-01 | 1,017,568 | 11,909 | 13 | 852 | 83 | 2 |
| 2019-02 | 1,050,136 | 33,289 | 1 | 721 | 28,840 | 0 |
| 2019-03 | 1,057,629 | 7,875 | 0 | 382 | 26 | 0 |
| 2019-04 | 1,060,206 | 3,174 | 1 | 597 | 33 | 21 |
| 2019-05 | 1,073,558 | 14,112 | 0 | 760 | 9,151 | 0 |
| 2019-06 | 1,104,802 | 31,724 | 0 | 480 | 17,645 | 0 |
| 2019-08 | 1,085,341 | 48,841 | 1 | 68,302 | 38,628 | 63,879 |
| 2019-09 | 1,178,613 | 97,477 | 0 | 4,205 | 95,666 | 10 |
| 2019-10 | 1,210,556 | 33,065 | 0 | 1,122 | 29,785 | 257 |
| 2019-11 | 1,251,930 | 41,682 | 0 | 308 | 36,550 | 0 |
| 2019-12 | 1,286,990 | 35,407 | 2 | 347 | 32,254 | 0 |
| 2020-01 | 1,301,969 | 17,995 | 2 | 3,016 | 10,905 | 0 |
| 2020-02 | 1,340,764 | 41,511 | 0 | 2,716 | 29,947 | 0 |
| 2020-03 | 1,343,624 | 3,516 | 0 | 656 | 102 | 0 |
| 2020-04 | 1,455,762 | 112,718 | 1 | 580 | 93,832 | 7 |
| 2020-05 | 1,515,723 | 61,303 | 0 | 1,342 | 58,725 | 1 |
| 2020-06 | 1,620,600 | 111,397 | 0 | 6,520 | 100,779 | 1,035 |
| 2020-07 | 1,642,540 | 22,648 | 2 | 708 | 18,475 | 1 |
| 2020-08 | 1,657,515 | 24,249 | 0 | 9,274 | 11,482 | 1,865 |
| 2020-09 | 1,729,391 | 72,265 | 1 | 389 | 68,882 | 0 |
| 2020-10 | 1,902,045 | 179,141 | 1 | 6,487 | 173,405 | 157 |
| 2020-11 | 2,140,416 | 244,666 | 23 | 6,295 | 236,068 | 3 |
| 2020-12 | 2,140,951 | 1,838 | 0 | 1,303 | 56 | 0 |
| 2021-01 | 2,142,450 | 2,299 | 1 | 800 | 20 | 26 |
| 2021-02 | 2,143,779 | 1,754 | 0 | 425 | 34 | 2 |
| 2021-03 | 2,146,175 | 3,903 | 0 | 1,507 | 52 | 0 |
| 2021-04 | 2,399,699 | 254,453 | 47 | 929 | 245,829 | 6 |
| 2021-05 | 2,406,526 | 9,362 | 0 | 2,535 | 32 | 1 |
| 2022-05 | 2,896,593 | 514,151 | 6,349 | 24,084 | 399,532 | 15 |
| 2022-06 | 3,064,162 | 169,149 | 785 | 1,580 | 98,603 | 0 |
| 2022-07 | 3,068,424 | 5,460 | 0 | 1,198 | 20 | 0 |
| 2022-08 | 3,077,745 | 11,088 | 0 | 1,767 | 19 | 0 |
| 2022-09 | 3,085,754 | 9,819 | 0 | 1,810 | 49 | 0 |
| 2022-10 | 3,151,367 | 66,292 | 0 | 679 | 56,407 | 1 |
| 2022-11 | 3,227,190 | 76,252 | 96 | 429 | 57,109 | 0 |
| 2022-12 | 3,328,595 | 102,596 | 24 | 1,191 | 95,314 | 0 |
| 2023-01 | 3,379,834 | 52,207 | 0 | 968 | 39,976 | 3 |
| 2023-02 | 3,382,800 | 4,185 | 0 | 1,219 | 37 | 0 |
| 2023-03 | 3,384,399 | 2,854 | 0 | 1,255 | 22 | 0 |
| 2023-04 | 3,433,171 | 49,969 | 196 | 1,197 | 39,542 | 0 |
| 2023-05 | 3,439,884 | 7,782 | 0 | 1,069 | 16 | 0 |
| 2023-06 | 3,440,809 | 2,904 | 0 | 1,979 | 37 | 0 |
| 2023-07 | 3,068,424 | 12,242 | 115 | 384,627 | 0 | 247,858 |
| 2023-08 | 3,485,271 | 430,973 | 3,348 | 14,126 | 276,885 | 38 |
| 2023-09 | 3,492,408 | 11,524 | 2 | 4,387 | 436 | 2 |
| 2023-10 | 3,613,118 | 123,813 | 12 | 3,103 | 117,170 | 0 |
| 2023-11 | 3,734,358 | 125,543 | 30 | 4,303 | 117,682 | 1 |
| 2023-12 | 4,377,597 | 723,256 | 5,681 | 80,017 | 613,972 | 2 |
| 2024-02 | 3,844,135 | 74,062 | 21 | 607,524 | 2 | 520,290 |
| 2024-03 | 3,879,366 | 37,431 | 40 | 2,200 | 28,488 | 0 |
| 2024-04 | 3,930,109 | 53,376 | 13 | 2,633 | 49,439 | 0 |
| 2024-05 | 4,002,654 | 74,720 | 0 | 2,175 | 69,587 | 0 |
| 2024-06 | 4,042,894 | 41,933 | 166 | 1,693 | 39,770 | 0 |
| 2024-07 | 4,043,869 | 1,685 | 0 | 710 | 22 | 0 |
| 2024-08 | 4,069,264 | 27,248 | 0 | 1,853 | 19,791 | 0 |
| 2024-09 | 4,252,734 | 185,810 | 0 | 2,340 | 179,869 | 0 |
| 2024-10 | 4,251,758 | 1,799 | 0 | 2,775 | 19 | 0 |
| 2024-11 | 4,318,048 | 123,858 | 0 | 57,568 | 112,175 | 0 |
| 2024-12 | 4,315,620 | 3,797 | 0 | 6,225 | 11 | 0 |
| 2025-01 | 4,378,634 | 64,937 | 6 | 1,923 | 58,387 | 0 |
| 2025-02 | 4,458,681 | 92,487 | 1 | 12,440 | 89,113 | 0 |
| 2025-03 | 4,458,681 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 4,506,255 | 49,811 | 4 | 2,237 | 45,840 | 0 |
| 2025-05 | 4,516,276 | 11,652 | 0 | 1,631 | 65 | 0 |
| 2025-06 | 4,627,807 | 113,686 | 504 | 2,155 | 108,927 | 0 |
| 2025-07 | 4,557,363 | 102,419 | 604 | 172,863 | 95,341 | 0 |
| 2025-08 | 4,625,922 | 74,283 | 521 | 5,724 | 67,849 | 0 |
| 2025-09 | 4,629,924 | 5,365 | 1 | 1,363 | 126 | 0 |
| 2025-10 | 4,711,893 | 83,445 | 85 | 1,476 | 79,853 | 0 |
| 2025-11 | 5,195,195 | 490,696 | 28 | 7,394 | 477,378 | 0 |
| 2025-12 | 5,346,460 | 175,033 | 8 | 23,768 | 159,874 | 10,663 |
| 2026-01 | 5,324,956 | 65,455 | 1 | 86,959 | 40,030 | 0 |
| 2026-02 | 5,313,625 | 11,340 | 1 | 22,671 | 10,035 | 0 |
| 2026-03 | 5,344,283 | 30,987 | 4 | 329 | 30,026 | 0 |
| 2026-04 | 5,440,028 | 96,415 | 306 | 670 | 49,021 | 0 |
| 2026-05 | 5,409,853 | 3,082 | 1 | 33,257 | 71 | 0 |
| 2026-06 | 5,462,351 | 53,135 | 3,358 | 637 | 24,297 | 0 |
| 2026-07 | 5,536,208 | 75,871 | 5 | 2,014 | 46 | 0 |
| 2026-08 | 5,588,810 | 55,248 | 587 | 2,646 | 14,361 | 0 |
| 2026-09 | 5,669,397 | 82,280 | 884 | 1,693 | 36,607 | 0 |
| 2026-10 | 5,593,525 | 73,985 | 11,565 | 149,857 | 40,338 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 4,264,569.0 |
| Harvested from disconnect pool | 107,349.0 |
| First assigned from spare pool | 16,001,061.0 |
| Reactivated own disconnects | 15.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 4,226,892.0 |
| Standard disconnect aging process (3+ months in DISC) | 1 |
| Abbreviated disconnect period (1–2 months in DISC) | 6 |
| Released directly to spare pool | 3,384,584.0 |
Of the 7 disconnect episodes this RespOrg has sent through aging, 86% were abbreviated (1–2 snapshots in DISC status). That's a strong early-disconnector signal, this RespOrg routinely releases numbers before the full 3–4 month aging window. Worth checking daily for vanity drops.
Summary
A customer engagement PLATFORM
About Twilio
Twilio Inc. is a publicly traded cloud communications platform that provides programmable APIs for voice, SMS, video, email, and other customer engagement channels, serving over 335,000 enterprises and 10 million developers worldwide. Founded in 2008 by Jeff Lawson, Evan Cooke, and John Wolthuis, it is headquartered in San Francisco, California, with no parent or holding company and a market capitalization of approximately $14 billion as of early 2025.
AI-generated summary (confidence: medium), last updated 2026-04-30. Verify against primary sources before quoting.
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