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Dialpad Dialpad is a cloud-based AI-native unified communications and contact center platform (UCaaS/CCaaS) headquartered in San Francisco, CA. Founded by Google Voice veterans, the company offers integrated voice, video, messaging, and contact cen… read more ↓

Transfer network

How toll free numbers move between Dialpad (ZY) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Dialpad is highlighted. Open the full interactive map →

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Transfer Funnel (acquired at a drop, then moved on) Off-hours fast pickup
Dialpad website screenshot
Website, visit, full size
Based in San Francisco, CA
Based in San Francisco, CA, street view, full size
Based in San Francisco, CA
Based in San Francisco, CA, satellite, full size

At a glance

Active numbers
75,049
#63 of 481
Change over 4 years
-427,181
-85.1% · #150 of 159
Opportunism Index
0.61%
#140 of 320
Vanity matches
22.8%
#115 of 206
Median inventory age
23 mo
1.9 years since last change
#128 of 206 oldest
Sub-codes in use
3
ZYBW1, ZYF01, ZYF99

Inventory by NPA

Click any NPA for total pool inventory across the industry.

By status

  • WORKING 75,026, 100.0%
  • RESERVED 9, 0.0%

Inventory age buckets

  • 1–3 months 950, 1.1%
  • 3–12 months 4,359, 5.2%
  • 1–2 years 60,676, 73.1%
  • 2–5 years 8,782, 10.6%
  • 5+ years 259, 0.3%

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

Total active inventory Numbers harvested from disconnect pool that month
502K377K251K126K02018-032022-122026-06
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2018-03 502,230 0 0 0 0 0
2018-06 53,760 148 1 448,618 7 0
2018-09 53,907 163 0 16 14 0
2018-10 52,049 72 0 1,930 2 3
2018-11 52,096 57 0 10 4 0
2018-12 52,162 82 0 16 2 0
2019-01 52,183 31 0 10 2 0
2019-02 52,225 56 1 14 3 0
2019-03 52,278 67 0 14 3 0
2019-04 52,399 126 0 5 4 0
2019-05 52,493 114 0 20 1 0
2019-06 52,547 73 0 19 6 0
2019-08 48,780 176 0 3,943 6 3,898
2019-09 52,751 3,991 0 20 3,911 0
2019-10 52,835 103 0 19 3 0
2019-11 53,007 203 0 31 9 0
2019-12 53,044 56 0 19 1 2
2020-01 53,098 98 0 44 1 0
2020-02 53,182 108 1 24 1 0
2020-03 53,235 73 0 20 2 0
2020-04 53,363 193 0 65 1 1
2020-05 53,528 178 0 13 1 0
2020-06 53,703 213 0 38 3 0
2020-07 54,418 733 0 18 4 0
2020-08 54,479 95 0 34 1 0
2020-09 54,518 72 0 33 3 0
2020-10 54,585 120 0 53 8 0
2020-11 54,739 171 0 17 3 1
2020-12 54,816 103 1 26 1 0
2021-01 54,886 84 0 14 5 0
2021-02 54,980 128 0 34 19 1
2021-03 55,112 166 0 34 9 0
2021-04 55,223 153 0 42 3 5
2021-05 55,272 96 0 47 3 0
2022-05 57,098 2,192 2 366 214 0
2022-06 57,793 735 0 40 7 15
2022-07 57,394 184 0 583 14 5
2022-08 57,732 368 0 30 7 3
2022-09 57,896 196 0 32 6 1
2022-10 58,101 228 0 23 11 0
2022-11 58,242 198 0 57 15 8
2022-12 58,551 376 0 67 10 0
2023-01 59,034 538 0 55 4 2
2023-02 59,285 304 0 53 6 2
2023-03 59,511 267 0 41 20 0
2023-04 59,723 273 0 61 9 3
2023-05 59,962 295 0 56 5 3
2023-06 60,304 398 0 56 12 0
2023-07 57,394 450 0 3,360 3 100
2023-08 60,812 3,899 1 481 115 6
2023-09 60,998 302 0 116 11 0
2023-10 61,405 455 0 48 235 0
2023-11 62,228 927 2 104 100 0
2023-12 68,639 7,351 195 940 785 3
2024-02 63,660 832 0 5,811 1 656
2024-03 63,763 497 0 394 114 4
2024-04 64,195 505 0 73 107 0
2024-05 64,694 541 0 42 57 0
2024-06 65,117 459 0 36 156 0
2024-07 65,373 299 0 43 22 0
2024-08 65,693 371 0 51 44 0
2024-09 66,276 647 2 64 112 0
2024-10 66,704 478 0 50 90 0
2024-11 67,460 814 0 58 54 0
2024-12 67,981 589 0 68 11 1
2025-01 69,021 1,151 50 111 99 0
2025-02 69,351 420 2 90 12 0
2025-03 69,351 0 0 0 0 0
2025-04 69,973 685 0 63 215 0
2025-05 70,611 753 0 115 19 0
2025-06 70,743 248 1 116 8 0
2025-07 70,918 312 0 137 18 0
2025-08 71,589 753 2 82 10 0
2025-09 72,083 583 0 89 208 0
2025-10 72,373 426 0 136 17 0
2025-11 73,261 1,019 0 131 20 0
2025-12 73,709 510 0 62 10 0
2026-01 73,725 228 0 212 19 0
2026-02 73,939 276 0 62 6 0
2026-03 74,248 433 0 124 8 0
2026-04 74,744 731 0 235 14 0
2026-05 74,969 284 2 59 12 0
2026-06 75,049 234 1 154 11 0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg71,886.0
Harvested from disconnect pool528.0
First assigned from spare pool14,218.0
Reactivated own disconnects0.0

Outbound (numbers lost)

Direct transfer to another RespOrg1,397,322.0
Entered multi-month disconnect (aging)0.0
Released directly to spare pool14,169.0

Top direct-transfer sources (INto ZY)

JY5,106.0Bandwidth
RB3,658.0RingCentral
QY2,950.0Inteliquent
TW2,597.0Twilio
KS1,802.0Lumen Technologies (Lumen)
LQ1,701.0Inteliquent
LG1,267.0Lumen Technologies (Lumen)
OT1,083.0Vonage
BP958.0Five 9, Inc.
IN809.0Lumen Technologies (Lumen)

Top direct-transfer destinations (OUT of ZY)

JY451,224.0Bandwidth
GA1,974.0Comet Media
RB1,676.0RingCentral
TW1,554.0Twilio
LQ1,221.0Inteliquent
KS808.0Lumen Technologies (Lumen)
QY742.0Inteliquent
QU594.0QuestBlue Systems, Inc
BP490.0Five 9, Inc.
LG488.0Lumen Technologies (Lumen)

Summary

Dialpad is an app based business communications customer engagement platform.

About Dialpad

Dialpad is a cloud-based AI-native unified communications and contact center platform (UCaaS/CCaaS) headquartered in San Francisco, CA. Founded by Google Voice veterans, the company offers integrated voice, video, messaging, and contact center solutions with over 3,000 customers and $200 million in ARR. Dialpad is privately held.

Toll free / RespOrg activity: No toll-free or RespOrg-specific news found in search results. Dialpad holds RespOrg code ZYF01 but search results contain no information about toll-free number management, RespOrg approvals, or related regulatory filings.

AI-generated summary (confidence: medium), last updated 2026-04-30. Verify against primary sources before quoting.

Top vanity holdings

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