RespOrg directory

Global Telecom and Technology (GTT)

alias: GTT

VOIP Service Group: GTT

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Global Telecom and Technology (GTT) GTT Communications, Inc. (formerly Global Telecom and Technology) is a Network as a Service (NaaS) and Security as a Service (SECaaS) provider headquartered in Arlington, Virginia, operating a Tier 1 IP network and delivering managed data s… read more ↓

Transfer network

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

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Transfer Funnel (acquired at a drop, then moved on) Off-hours fast pickup
Global Telecom and Technology (GTT) website screenshot
Website, visit, full size
Based in San Antonio, TX
Based in San Antonio, TX, street view, full size
Based in San Antonio, TX
Based in San Antonio, TX, satellite, full size

At a glance

Active numbers
7,059
#181 of 481
Change over 4 years
+1,920
+37.4%
Opportunism Index
0.13%
#231 of 320
Vanity matches
27.4%
#85 of 206
Median inventory age
48 mo
4.0 years since last change
#78 of 206 oldest
Sub-codes in use
2
XSO01, XSO99

Inventory by NPA

Click any NPA for total pool inventory across the industry.

By status

  • WORKING 7,037, 99.9%
  • DISCONN 5, 0.1%
  • TRANSIT 3, 0.0%

Inventory age buckets

  • 1–3 months 108, 1.3%
  • 3–12 months 2,432, 30.3%
  • 1–2 years 461, 5.7%
  • 2–5 years 1,246, 15.5%
  • 5+ years 2,790, 34.8%

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

Total active inventory Numbers harvested from disconnect pool that month
7K5K4K2K02018-032022-122026-06
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2018-03 5,139 0 0 0 0 0
2018-06 5,283 311 0 167 22 15
2018-09 5,454 277 0 106 55 5
2018-10 5,441 12 0 25 5 0
2018-11 5,439 94 0 96 18 0
2018-12 5,483 52 0 8 2 1
2019-01 5,173 37 1 347 30 3
2019-02 5,149 28 0 52 4 0
2019-03 5,282 147 0 14 15 0
2019-04 6,649 1,386 0 19 8 9
2019-05 6,684 37 0 2 8 0
2019-06 6,694 11 0 1 4 0
2019-08 6,228 47 0 513 10 461
2019-09 6,667 475 0 36 461 0
2019-10 6,414 19 0 272 6 0
2019-11 6,356 19 0 77 19 0
2019-12 6,348 12 0 20 5 0
2020-01 6,414 79 0 13 48 0
2020-02 6,411 12 0 15 5 0
2020-03 6,308 25 0 128 16 0
2020-04 6,298 12 0 22 4 0
2020-05 6,304 20 0 14 3 1
2020-06 6,279 4 0 29 2 0
2020-07 5,284 6 0 1,001 3 0
2020-08 5,199 41 0 126 19 0
2020-09 5,192 19 0 26 3 3
2020-10 5,222 152 0 122 1 1
2020-11 5,170 35 0 87 15 0
2020-12 4,772 40 0 438 24 0
2021-01 4,788 21 0 5 0 2
2021-02 4,799 47 0 36 15 0
2021-03 4,810 13 0 2 1 0
2021-04 4,855 51 0 6 5 0
2021-05 4,858 6 0 3 1 0
2022-05 5,415 656 2 99 57 1
2022-06 6,273 885 1 27 1 22
2022-07 6,273 13 0 13 10 0
2022-08 6,263 9 0 19 1 0
2022-09 6,282 48 0 29 29 0
2022-10 6,292 17 0 7 2 0
2022-11 6,371 83 0 4 1 1
2022-12 6,367 16 0 20 2 0
2023-01 6,370 28 0 25 0 0
2023-02 6,406 54 0 18 15 0
2023-03 6,416 17 0 7 1 0
2023-04 6,370 5 0 51 0 5
2023-05 6,143 22 0 249 3 0
2023-06 6,126 13 0 30 2 10
2023-07 6,273 432 0 285 8 32
2023-08 6,010 317 1 580 33 7
2023-09 6,028 74 0 56 0 0
2023-10 6,015 11 0 24 2 1
2023-11 6,063 55 0 7 2 1
2023-12 4,678 314 1 1,699 37 50
2024-02 6,088 1,669 8 259 49 35
2024-03 6,068 8 0 28 3 1
2024-04 6,092 56 0 32 3 0
2024-05 5,993 19 0 118 1 0
2024-06 5,969 7 0 31 1 0
2024-07 5,963 10 0 16 0 0
2024-08 5,949 15 0 29 12 0
2024-09 5,955 26 0 20 4 0
2024-10 5,787 10 0 178 4 0
2024-11 5,776 22 0 33 20 0
2024-12 4,674 83 0 1,185 2 0
2025-01 4,904 254 0 24 2 0
2025-02 4,877 7 0 34 4 0
2025-03 4,877 0 0 0 0 0
2025-04 4,832 21 0 66 1 0
2025-05 4,833 37 0 36 6 0
2025-06 4,670 53 0 216 3 0
2025-07 4,760 100 0 10 34 0
2025-08 4,715 5 0 50 0 0
2025-09 4,734 21 0 2 10 0
2025-10 4,882 167 1 19 156 0
2025-11 6,612 1,741 0 11 1 0
2025-12 6,616 9 0 5 0 0
2026-01 6,593 2 0 25 0 0
2026-02 6,564 7 0 36 2 0
2026-03 6,851 291 0 4 290 0
2026-04 6,994 204 0 61 200 0
2026-05 7,063 78 0 9 1 0
2026-06 7,059 29 0 33 1 0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg29,097.0
Harvested from disconnect pool45.0
First assigned from spare pool5,559.0
Reactivated own disconnects276.0

Outbound (numbers lost)

Direct transfer to another RespOrg30,488.0
Standard disconnect aging process (3+ months in DISC)1,293
Abbreviated disconnect period (1–2 months in DISC)271
Released directly to spare pool2,668.0

Of the 1,564 disconnect episodes this RespOrg has sent through aging, 17% were abbreviated (1–2 snapshots in DISC status). This RespOrg lets most numbers age the full 3–4 months before release, normal pattern.

Top direct-transfer sources (INto XS)

BC1,741.0Incontact (Nice)
GY1,167.0Globalgig
AN1,124.0StarView Solutions
EH1,051.0Access Point (GTT)
AT922.0AT&T
VZ633.0Verizon Business (Verizon)
BP527.0Five 9, Inc.
LG366.0Lumen Technologies (Lumen)
JY256.0Bandwidth
LQ220.0Inteliquent

Top direct-transfer destinations (OUT of XS)

GY2,374.0Globalgig
JY1,098.0Bandwidth
BP824.0Five 9, Inc.
LQ415.0Inteliquent
KS311.0Lumen Technologies (Lumen)
MD259.0BluIP
TW252.0Twilio
AT236.0AT&T
GA218.0Comet Media
RB218.0RingCentral

Summary

GTT provides secure global connectivity, operating a global Tier 1 internet network serve thousands of businesses spanning 600+ PoPs on six continents with 220 Tbps of IP edge capacity.

About Global Telecom and Technology (GTT)

GTT Communications, Inc. (formerly Global Telecom and Technology) is a Network as a Service (NaaS) and Security as a Service (SECaaS) provider headquartered in Arlington, Virginia, operating a Tier 1 IP network and delivering managed data services including Internet, SD-WAN, network security, voice, and video transport to enterprise, government, and carrier customers globally. The company was founded in 1996. Public/private status and current size details are not clearly specified in available sources.

Affiliations: No subsidiary or parent company relationships identified in search results.

Toll free / RespOrg activity: No toll-free or RespOrg-specific activity found in search results. User-provided RespOrg code (XSO01) and website (gtt.net/us-en) could not be verified against search results.

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

Top vanity holdings

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