NTT Cloud SG

Large Telcom Group: AT&T

NTT Cloud website screenshot
Website · visit · full size
Based in Atlanta, GA
Based in Atlanta, GA · street view · full size
Based in Atlanta, GA
Based in Atlanta, GA · satellite · full size

At a glance

Active numbers
18,590
#132 of 481
Change over 4 years
+9,892
+113.7% · #50 of 156
Opportunism Index
0.12%
#181 of 228
Vanity matches
19.4%
#97 of 201
Median inventory age
40 mo
3.3 years since last change
#90 of 201 oldest
Sub-codes in use
3
SGI01, SGI02, SGI99

Inventory by NPA

Click any NPA for total pool inventory across the industry.

By status

  • WORKING 18,576 · 100.0%

Inventory age buckets

  • 1–3 months 181 · 0.9%
  • 3–12 months 2,777 · 13.9%
  • 1–2 years 4,103 · 20.6%
  • 2–5 years 10,311 · 51.7%
  • 5+ years 1,204 · 6.0%

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
19K14K9K5K02018-032022-112026-04
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2018-03 8,698 0 0 0 0 0
2018-06 8,847 155 0 6 0 0
2018-09 8,861 27 0 13 2 0
2018-10 8,860 1 0 2 0 0
2018-11 8,864 6 0 2 0 1
2018-12 8,864 0 0 0 0 0
2019-01 8,864 1 0 1 1 0
2019-02 8,870 10 0 4 8 0
2019-03 8,860 0 0 10 0 0
2019-04 8,849 1 0 12 0 3
2019-05 8,850 2 0 1 0 0
2019-06 8,848 0 0 2 0 0
2019-08 8,176 0 0 672 0 672
2019-09 8,848 672 0 0 672 0
2019-10 8,845 1 0 4 0 0
2019-11 8,843 1 0 3 1 0
2019-12 8,842 0 0 1 0 1
2020-01 8,836 0 0 6 0 0
2020-02 8,821 0 0 15 0 0
2020-03 8,818 5 0 8 5 0
2020-04 8,817 0 0 1 0 0
2020-05 8,811 0 0 6 0 3
2020-06 8,811 0 0 0 0 0
2020-07 8,812 2 0 1 0 0
2020-08 8,810 0 0 2 0 0
2020-09 8,815 5 0 0 0 0
2020-10 8,818 3 0 0 1 0
2020-11 8,831 14 0 1 0 1
2020-12 8,834 5 0 2 0 0
2021-01 8,841 7 0 0 0 0
2021-02 8,841 1 0 1 0 0
2021-03 8,863 25 0 3 4 0
2021-04 8,876 16 0 3 0 0
2021-05 8,878 3 0 1 0 0
2022-05 10,090 1,368 0 156 4 0
2022-06 10,186 99 0 3 1 0
2022-07 10,197 15 0 4 0 0
2022-08 10,214 17 0 0 0 0
2022-09 10,372 158 0 0 1 0
2022-10 10,409 39 0 2 0 0
2022-11 10,469 67 0 7 0 1
2022-12 10,510 41 0 0 0 0
2023-01 10,560 50 0 0 0 0
2023-02 10,648 89 0 1 1 0
2023-03 10,732 85 0 1 0 0
2023-04 10,581 93 0 244 7 0
2023-05 10,603 29 0 7 1 4
2023-06 10,661 62 0 4 0 1
2023-07 10,197 257 0 721 0 3
2023-08 11,162 1,224 0 259 5 0
2023-09 11,338 176 0 0 20 0
2023-10 11,671 333 0 0 1 0
2023-11 11,960 290 0 1 2 0
2023-12 15,237 3,358 17 81 28 0
2024-02 12,222 54 0 3,069 0 22
2024-03 12,388 166 0 0 0 0
2024-04 13,078 690 0 0 2 0
2024-05 13,301 227 0 4 0 0
2024-06 13,490 225 0 36 0 0
2024-07 14,274 784 0 0 1 0
2024-08 14,537 263 0 0 3 0
2024-09 14,643 106 0 0 1 0
2024-10 14,846 203 0 0 3 0
2024-11 15,187 345 0 4 1 0
2024-12 15,249 62 0 0 1 0
2025-01 15,296 90 0 43 6 0
2025-02 15,705 440 0 31 3 0
2025-03 15,705 0 0 0 0 0
2025-04 16,406 720 1 19 1 0
2025-05 16,526 122 0 2 2 0
2025-06 16,605 133 0 54 1 0
2025-07 16,622 17 0 0 0 0
2025-08 16,761 142 0 3 4 0
2025-09 17,151 391 0 1 1 0
2025-10 17,332 187 0 6 7 0
2025-11 17,570 242 0 4 1 0
2025-12 17,995 472 0 47 3 0
2026-01 18,066 71 0 0 0 0
2026-02 18,421 368 0 13 1 0
2026-03 18,461 45 0 5 2 0
2026-04 18,590 129 0 0 2 0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg23,984.0
Harvested from disconnect pool36.0
First assigned from spare pool176.0
Reactivated own disconnects0.0

Outbound (numbers lost)

Direct transfer to another RespOrg10,998.0
Entered multi-month disconnect (aging)0.0
Released directly to spare pool84.0

Top direct-transfer sources (INto SG)

AU3,297.0ATL Communications (ATLC)
KS1,288.0Lumen Technologies (Lumen)
VZ1,270.0Verizon Business (Verizon)
LG906.0Lumen Technologies (Lumen)
NU610.0Navigata
SP551.0Sprint (T-Mobile)
YA407.0BT Americas
RL405.0Rogers Communications
OM398.0Intrado Communications (Intrado)
JY364.0Bandwidth

Top direct-transfer destinations (OUT of SG)

AU1,584.0ATL Communications (ATLC)
LG336.0Lumen Technologies (Lumen)
NU303.0Navigata
EM242.0Advanced Communications Solutions
RL196.0Rogers Communications
LE163.0Intelepeer
KS113.0Lumen Technologies (Lumen)
NL90.0XO (Verizon)
LQ89.0Inteliquent
VL73.0Birch Communications (Fusion Connect)

Top vanity holdings

Summary

NTT Cloud is now part of AT&T so I'll group them there.

About NTT Cloud

Unable to provide accurate overview. Search results describe NTT DATA's general cloud computing and communications services, not a specific 'NTT Cloud' RespOrg entity with code SGI01. The provided website (att.com) and HQ (Atlanta, GA) do not match NTT DATA's actual headquarters (Tokyo, Japan) or primary web presence. No credible sources confirm an NTT Cloud RespOrg operation matching the specified parameters.

Affiliations: NTT DATA is a subsidiary of Nippon Telegraph and Telephone Corporation (NTT Group, Japan). No information found regarding SGI01 or 'NTT Cloud' as a distinct RespOrg entity or its corporate structure.

Toll-free / RespOrg activity: No information found regarding NTT Cloud RespOrg (SGI01) toll-free or RespOrg-specific activity. Search results do not address toll-free number management or RespOrg operations.

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

Contact-form message

with a customer of NTT Cloud (AT&T)
Request a specific #