Signal One
Looking for a toll free number from Signal One?
Tell me which number you want. I pass appropriate requests to the company that holds the number, and I reply within one business day. It's free to ask.
Signal One (RespOrg code SO) controls 1,850,254 US toll free numbers as of October 2026. That is up 302,080 (20%) since March 2018. Resporgs.com files it under Misdial Marketing. Based in Las Vegas, NV.
Transfer network
How toll free numbers move between Signal One (SO) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Signal One is highlighted. Open the full interactive map →
Scroll to zoom, drag to pan, drag a node to reposition.
- Website: https://signal1resporg.com/ Domain since 2021 (5y)
At a glance
#50 of 207 oldest
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 1,841,423, 99.5%
- DISCONN 7,782, 0.4%
- TRANSIT 894, 0.0%
- RESERVED 141, 0.0%
Inventory age buckets
- 1–3 months 6,346, 0.3%
- 3–12 months 146,771, 7.1%
- 1–2 years 75,838, 3.7%
- 2–5 years 522,123, 25.3%
- 5+ years 1,090,345, 52.7%
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 | 1,548,174 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 1,439,873 | 96,684 | 77,219 | 204,985 | 14 | 79,839 |
| 2018-09 | 1,301,460 | 21,534 | 5,150 | 159,947 | 1,046 | 65,417 |
| 2018-10 | 1,302,440 | 6,141 | 1,329 | 5,161 | 2 | 0 |
| 2018-11 | 1,371,290 | 89,440 | 2,093 | 20,590 | 1 | 6,624 |
| 2018-12 | 1,378,256 | 7,139 | 5,597 | 173 | 0 | 0 |
| 2019-01 | 1,288,190 | 11,522 | 1,860 | 101,588 | 2 | 95,288 |
| 2019-02 | 1,302,651 | 33,224 | 4,994 | 18,763 | 0 | 16,527 |
| 2019-03 | 1,311,173 | 26,491 | 11,175 | 17,969 | 5 | 8,632 |
| 2019-04 | 1,337,876 | 41,704 | 9,157 | 15,001 | 2 | 10,874 |
| 2019-05 | 1,357,844 | 61,061 | 2,168 | 41,093 | 0 | 39,784 |
| 2019-06 | 1,314,407 | 9,509 | 2,786 | 52,946 | 3 | 47,781 |
| 2019-08 | 1,267,077 | 28,996 | 5,703 | 76,326 | 4 | 75,599 |
| 2019-09 | 1,333,200 | 90,968 | 7,412 | 24,845 | 72,036 | 23,667 |
| 2019-10 | 1,377,342 | 48,446 | 1,483 | 4,304 | 560 | 1,310 |
| 2019-11 | 1,367,577 | 6,111 | 591 | 15,876 | 5 | 15,499 |
| 2019-12 | 1,370,047 | 30,391 | 8,040 | 27,921 | 200 | 27,029 |
| 2020-01 | 1,398,693 | 78,908 | 13,680 | 50,262 | 1,717 | 47,506 |
| 2020-02 | 1,438,389 | 83,903 | 7,150 | 44,207 | 558 | 40,127 |
| 2020-03 | 1,545,589 | 127,178 | 4,533 | 19,978 | 1,002 | 19,379 |
| 2020-04 | 1,614,189 | 81,566 | 10,714 | 12,966 | 1,275 | 7,227 |
| 2020-05 | 1,551,948 | 115,920 | 14,076 | 178,161 | 0 | 96,716 |
| 2020-06 | 1,443,554 | 16,038 | 6,643 | 124,432 | 2 | 67,655 |
| 2020-07 | 1,385,649 | 8,868 | 5,722 | 66,773 | 0 | 9,470 |
| 2020-08 | 1,338,231 | 20,462 | 1,338 | 67,880 | 1 | 7,223 |
| 2020-09 | 1,348,502 | 11,690 | 6,152 | 1,419 | 0 | 0 |
| 2020-10 | 1,353,549 | 14,686 | 7,106 | 9,639 | 1 | 0 |
| 2020-11 | 1,321,070 | 7,567 | 5,689 | 40,046 | 9 | 16,029 |
| 2020-12 | 1,317,179 | 14,010 | 2,775 | 17,901 | 0 | 17,408 |
| 2021-01 | 1,354,455 | 38,570 | 4,318 | 1,294 | 13 | 1,234 |
| 2021-02 | 1,353,407 | 5,037 | 1,801 | 6,085 | 0 | 5,655 |
| 2021-03 | 1,351,487 | 11,754 | 2,394 | 13,674 | 1 | 9,430 |
| 2021-04 | 1,362,670 | 14,041 | 9,705 | 2,858 | 0 | 1,040 |
| 2021-05 | 1,409,965 | 67,491 | 12,036 | 20,196 | 0 | 19,019 |
| 2022-05 | 1,531,690 | 172,220 | 15,531 | 50,495 | 3,723 | 22,265 |
| 2022-06 | 1,725,976 | 202,179 | 123,378 | 7,893 | 3 | 7,339 |
| 2022-07 | 1,887,649 | 166,701 | 138,393 | 5,028 | 1 | 4,715 |
| 2022-08 | 1,921,288 | 36,871 | 5,748 | 3,232 | 23 | 3,099 |
| 2022-09 | 1,907,845 | 17,829 | 4,070 | 31,272 | 0 | 18,137 |
| 2022-10 | 1,774,731 | 11,486 | 4,813 | 144,600 | 0 | 124,236 |
| 2022-11 | 1,752,500 | 71,639 | 3,558 | 93,870 | 0 | 89,430 |
| 2022-12 | 1,659,751 | 61,530 | 5,581 | 154,279 | 0 | 145,073 |
| 2023-01 | 1,662,957 | 33,844 | 18,271 | 30,638 | 0 | 24,770 |
| 2023-02 | 1,668,159 | 8,957 | 5,225 | 3,755 | 0 | 3,605 |
| 2023-03 | 1,676,493 | 8,653 | 2,536 | 319 | 0 | 105 |
| 2023-04 | 1,746,757 | 70,770 | 6,124 | 506 | 0 | 0 |
| 2023-05 | 1,753,685 | 7,115 | 4,108 | 187 | 0 | 73 |
| 2023-06 | 1,777,272 | 80,672 | 5,263 | 57,085 | 1 | 54,157 |
| 2023-07 | 1,887,649 | 416,494 | 455 | 306,117 | 320,940 | 9,143 |
| 2023-08 | 1,847,757 | 412,905 | 9,999 | 452,797 | 17,755 | 314,752 |
| 2023-09 | 1,804,888 | 69,875 | 2,973 | 112,744 | 12 | 111,175 |
| 2023-10 | 1,793,577 | 12,691 | 3,704 | 24,002 | 0 | 22,841 |
| 2023-11 | 1,797,806 | 4,234 | 1,833 | 5 | 1 | 0 |
| 2023-12 | 1,721,084 | 119,559 | 20,351 | 196,281 | 48,193 | 142,788 |
| 2024-02 | 1,815,230 | 192,384 | 3,189 | 98,238 | 136,441 | 48,072 |
| 2024-03 | 1,719,962 | 10,011 | 5,626 | 105,279 | 2 | 103,553 |
| 2024-04 | 1,714,286 | 7,644 | 4,311 | 13,320 | 0 | 12,422 |
| 2024-05 | 1,720,912 | 7,502 | 3,536 | 876 | 1 | 581 |
| 2024-06 | 1,748,211 | 27,323 | 18,345 | 24 | 0 | 0 |
| 2024-07 | 1,761,359 | 19,054 | 3,635 | 5,906 | 1 | 5,672 |
| 2024-08 | 1,731,666 | 5,996 | 2,402 | 35,689 | 0 | 31,834 |
| 2024-09 | 1,703,923 | 7,355 | 2,196 | 35,098 | 0 | 32,344 |
| 2024-10 | 1,714,604 | 15,163 | 3,876 | 4,482 | 9,382 | 2,307 |
| 2024-11 | 1,742,439 | 34,601 | 2,365 | 6,766 | 28,966 | 6,112 |
| 2024-12 | 1,753,338 | 10,964 | 4,691 | 65 | 3,161 | 5 |
| 2025-01 | 1,729,707 | 17,725 | 10,034 | 41,356 | 1 | 38,488 |
| 2025-02 | 1,730,027 | 12,588 | 2,045 | 12,268 | 0 | 11,140 |
| 2025-03 | 1,730,027 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 1,741,905 | 15,190 | 3,465 | 3,312 | 0 | 3,132 |
| 2025-05 | 1,841,653 | 99,756 | 1,636 | 8 | 0 | 0 |
| 2025-06 | 1,860,277 | 27,396 | 1,718 | 8,772 | 2 | 8,207 |
| 2025-07 | 1,880,614 | 28,821 | 4,073 | 8,484 | 0 | 7,965 |
| 2025-08 | 1,889,928 | 14,587 | 8,770 | 5,273 | 0 | 4,612 |
| 2025-09 | 1,913,082 | 33,352 | 12,557 | 10,198 | 0 | 9,869 |
| 2025-10 | 1,912,368 | 37,190 | 2,756 | 37,904 | 1 | 35,646 |
| 2025-11 | 1,930,929 | 18,568 | 13,113 | 7 | 6 | 0 |
| 2025-12 | 1,850,880 | 5,657 | 3,774 | 85,706 | 0 | 76,229 |
| 2026-01 | 1,864,728 | 13,852 | 3,103 | 4 | 0 | 0 |
| 2026-02 | 1,883,871 | 19,148 | 6,413 | 5 | 23 | 0 |
| 2026-03 | 1,903,078 | 19,242 | 6,462 | 35 | 0 | 1 |
| 2026-04 | 1,882,807 | 23,810 | 16,354 | 44,081 | 0 | 36,726 |
| 2026-05 | 1,890,123 | 35,419 | 5,257 | 28,103 | 0 | 26,190 |
| 2026-06 | 1,867,134 | 12,235 | 4,645 | 35,224 | 0 | 6,081 |
| 2026-07 | 1,885,399 | 32,098 | 16,489 | 13,833 | 0 | 11,247 |
| 2026-08 | 1,877,154 | 7,323 | 2,778 | 15,568 | 0 | 13,388 |
| 2026-09 | 1,863,032 | 4,092 | 2,780 | 18,214 | 4 | 12,066 |
| 2026-10 | 1,850,254 | 2,363 | 1,408 | 15,141 | 1 | 11,789 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 7,968,825.0 |
| Harvested from disconnect pool | 2,484,915.0 |
| First assigned from spare pool | 1,941,309.0 |
| Reactivated own disconnects | 178,464.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 5,183,268.0 |
| Standard disconnect aging process (3+ months in DISC) | 6 |
| Abbreviated disconnect period (1–2 months in DISC) | 85,936 |
| Released directly to spare pool | 10,129,476.0 |
Of the 85,942 disconnect episodes this RespOrg has sent through aging, 100% 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
Signal One provides toll free number management services and misdial marketing. They were recently purchased by Life Alert (the Help I've Fallen people).
Top vanity holdings
Contact-form message
with Signal One